Alternatives to OpenSIPS
Compare OpenSIPS alternatives for your business or organization using the curated list below. SourceForge ranks the best alternatives to OpenSIPS in 2026. Compare features, ratings, user reviews, pricing, and more from OpenSIPS competitors and alternatives in order to make an informed decision for your business.
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3CX
3CX
3CX is a software-based, open standards IP PBX that offers complete Unified Communications, out of the box. Suitable for any business size or industry 3CX can accommodate every need; from mobility and status to advanced contact center features and more, at a fraction of the cost. Ideal for companies working remotely, 3CX includes mobile apps, video conferencing and website live chat. Installation, management and maintenance of the PBX is so easy that you can effortlessly manage it yourself, whether on an appliance or server at your premise on Windows, Linux or in the cloud. Alternatively you can choose to have it hosted by 3CX for a completely hassle-free solution. -
2
PBXware
Bicom Systems
PBXware is the world’s first and most mature IP PBX Professional Open Standards Turnkey Telephony Platform. Since 2004, PBXware has deployed flexible, reliable, and scalable Next Generation Communication Systems and VoIP solutions to Small and Medium sized Businesses (SMBs), enterprises, Internet Telephony Service Providers (ITSPs), Call Centers and governments worldwide by combining the most advanced of the latest technologies. Bicom Systems’ softswitch is offered in the Business, Call Center and Multi-Tenant Editions, each supporting specific features maximizing performance, reliability, and expandability. -
3
Yeastar P-Series PBX System
Yeastar
Focusing on delivering "Easy-first Unified Communications", Yeastar P-Series Phone System offers companies of all sizes with a complete package for calls, video, messaging, and integrations, out of the box. With in-built visual call management, integrated video conferencing, advanced contact center features, and ready-made SMS, WhatsApp, Microsoft Teams, CRMs, and more platform integrations, P-Series boosts productivity at all levels and provides everything across desktop, mobile, and browser with simple user apps. Available in the Appliance, Software, and Cloud Editions, P-Series provides flexible deployment options, allowing you to have it sited on-premises or in the cloud. Balancing costs and future growth, it requires a lower total cost of ownership, less training, and fewer management efforts. The ease of use and future-proof adaptability are paramount. -
4
Signalmash
Signalmash
Why work with giants like Twilio where your support requests will take forever to get a response? Signalmash is not just a CPaaS provider, we take pride in providing the best possible CPaaS support. Your developers can have a shared Slack channel with our developers for instant support. You can speak to our CEO anytime. Real-time and top-notch support means shorter development cycles and enables you to provide exceptional support to your own customers. SMS services we offer: SMS API SMS CPaaS SMS UCaaS SMS no-code sending platform 10DLC campaign support Short code SMS Toll-free SMS Voice services we offer: Contact center telecoms Voice termination Voice orgination Local numbers Short code numbers Toll-free numbers SIP Trunking Our No-code telecoms solutions: UCaaS to send SMS CCaaS to manage phone calls AI solutions Signalmash - experience the highest level of support, every step of the way - book a call with us to get expert advice! -
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Kamailio
Kamailio
Kamailio® (successor of former OpenSER and SER) is an open-source SIP server released under GPLv2+, able to handle thousands of call setups per second. Kamailio can be used to build large platforms for VoIP and real-time communications, presence, WebRTC, Instant messaging, and other applications. Moreover, it can be easily used for scaling up SIP-to-PSTN gateways, PBX systems, or media servers like Asterisk™, FreeSWITCH™, or SEMS. Among the powerful features, are asynchronous TCP, UDP and SCTP, secure communication via TLS for VoIP (voice, video, text); WebSocket support for WebRTC; IPv4 and IPv6; simple instant messaging and presence with embedded XCAP server and MSRP relay; asynchronous operations; IMS extensions for VoLTE; ENUM; DID and least cost routing; load balancing; routing fail-over; accounting, authentication and authorization; support for many backend systems such as MySQL, Postgres, Oracle, Radius, LDAP, Redis, Cassandra, MongoDB, Memcached. -
6
VaxVoIP
VaxSoft
VaxVoIP SIP Server SDK enables developers to build secure, SIP-based VoIP solutions such as IP-PBX, IVR, auto-dialers, smart agents, call centers, and calling card systems. Fully compatible with the SIP protocol, it supports softphones, hardphones, ATA devices, and other SIP hardware. It includes PBX features like call queues, call forwarding, call recording, voicemail, and call routing. With advanced security features, it protects against SIP floods, scans, and brute-force attacks. The SDK also offers real-time access to audio PCM data, enabling integration of AI, machine learning, and smart agents into VoIP systems for intelligent and enhanced communication. -
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Asterisk
Sangoma Technologies
Asterisk is an open source framework for building communications applications. Asterisk turns an ordinary computer into a communications server. Asterisk powers IP PBX systems, VoIP gateways, conference servers and other custom solutions. It is used by small businesses, large businesses, call centers, carriers and government agencies, worldwide. Asterisk is free and open source. Asterisk is sponsored by Sangoma. Today, there are more than one million Asterisk-based communications systems in use, in more than 170 countries. Asterisk is used by almost the entire Fortune 1000 list of customers. Most often deployed by system integrators and developers, Asterisk can become the basis for a complete business phone system, or used to enhance or extend an existing system, or to bridge a gap between systems. Build your own custom system with Asterisk? Buy a powerful, low-cost turnkey system based on Asterisk? Discover which option is right for you.Starting Price: Free -
8
astTECS
*astTECS
*astTECS provides complete enterprise telecom products based on Open Source Technology- such as IP PBX and Contact Center Solution. *astTECS IP PBX offers all the high-end features at an affordable price enabling your business to be future-ready, flexible, innovative and competitive while reducing your telecom expenses. *astTECS IP PBX can seamlessly integrate with any applications - CRM, ERP, PMS and even with your existing telecom infrastructure. *astTECS call center solution has advanced features with a real-time agent monitoring dashboard helps to improve your agent productivity and customer engagement with advanced analytics. *astTECS also offers a complete call recording solution for your business with real time dashboards. -
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FusionPBX
FusionPBX
FusionPBX can be used as a highly available single or domain-based multi-tenant PBX, carrier-grade switch, call center server, fax server, voip server, voicemail server, conference server, voice application server, appliance framework and more. FreeSWITCH™ is a highly scalable, multi-threaded, multi-platform communication platform. It provides unlimited extensions, voicemail-to-email, music on hold, call parking, call center, call queues, phone provisioning and many other features. It provides the functionality your business needs and brings corporate-level phone system features to small, medium and large businesses. A large amount of time has been used to fix bugs and tighten security and improve the code. There is also progress being made on the future release. We have made a good amount of progress and the master branch is far ahead of the current release in many ways. We are working diligently to finish the last changes that we feel are needed for this coming release.Starting Price: $100 per month -
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Thirdlane
Thirdlane
Thirdlane is a scalable UCaaS platform that blends multi-tenant PBX, Contact Center, and collaboration apps into one solution. MSPs, Enterprises, and telecom providers adopt Thirdlane when they want freedom of deployment, deep integrations, and reliable control over their communications stack. Whether your team prefers cloud-hosted services or on-premises deployments, Thirdlane adapts to your strategy. IT departments appreciate the API-first design, while business leaders value the ability to cut costs and avoid lock-in. Core benefits: - Enterprise-grade PBX with calling, video meetings, voicemail, and advanced routing. - Unified Thirdlane Connect apps for chat, video meetings, and file sharing. - Built-in Contact Center - Advanced analytics to improve service and sales. - CRM integration for context-rich customer interactions. - White-label branding across all user touchpoints. - Options for geo-redundancy and high availability. -
11
OpenPBX
VoiceTronix
It is an easy-to-install and configure PBX software platform that is fully supported by our telephony hardware. It is suitable for small to medium businesses (SMB) that require a sophisticated phone system usually found in larger enterprises but without the price tag! OpenPBX harnesses the ease of use and efficiency of the desktop PC and combines it with the plain old telephone handset to give you advanced features and the ultimate control and use of your communication system. Whether you need to connect to primary rate (E1/T1) trunk lines or to standard POTS lines, Voicetronix has suitable line interface hardware. Our OpenPBX Do-it-Yourself (DIY) option offers customers the ability to build their own phone system using commodity PC servers running Linux and analog telephone handsets. Configure and maintain your own phone system, eliminating the need for a technician. Use your web browser to navigate, select and listen to voicemail messages. -
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HoduPBX
Hodusoft
HoduPBX is the ultimate solution for business communication. Its unprecedented user interface with optimal user experience facilitates businesses to communicate with the end users efficiently. This software offers world-class connectivity within an office and from the remote location leaves communication an uninterrupted process. Get HoduPBX and empower agents’ work management with multitasking abilities and efficiencies. With 1000+ concurrent calls and 10,000 extensions, our IP PBX software is one of the best choices for business communications. Here are HoduPBX’s key features: Multi-Tenant Auto Provisioning Least Call Routing (LCR) Real-time Analytics and Reports Queue Monitoring Multi-level IVR BLF & Presence Prepaid & Postpaid Billing Payment Gateway Integration Audio-conferencing SMS Hosted IP PBX Software -
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Issabel
Issabel
Issabel is an open source unified communications platform that consolidates IP communication services into a single system, surpassing the constraints of a conventional PBX by integrating features such as call center capabilities, email, management reports, fax, video call meetings, audio recording, and CRM and platform integrations. It offers a robust, flexible, and easy-to-use call center module designed to efficiently automate and manage contact centers, handling both incoming and outgoing call campaigns through an intuitive agent console and call management interface. Issabel streamlines PBX solutions for service providers, enabling the management of multiple clients from a single instance, simplifying administration without the need for separate servers for each client. To enhance functionality, Issabel supports add-ons crafted to seamlessly integrate with the platform, adding features that interact with telephony to improve customer service and automate actions for support.Starting Price: Free -
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Vodia PBX
Vodia Networks
Vodia Networks offers a SIP PBX platform that runs smoothly across cloud, on-premise, and hybrid setups. Our PBX supports a broad range of devices, including SIP phones, softphones, and WebRTC clients, to help businesses communicate flexibly across locations. Our Session Border Controller (SBC) has been certified by Microsoft for Microsoft Teams, and our PBX features AI-powered real-time call transcription using OpenAI’s Whisper technology. Vodia supports easy deployment through prepaid cloud PBX instances and traditional installations across various environments. Our phone system integrates with some of the world’s best business software, including ActiveCampaign, CallSmart, Cliniko, HighLevel, Microsoft Dynamics 365, monday.com, Shiji PMS, UPilot, and other industry-standard business communications platforms, so our customers can deploy cutting-edge business tools alongside our best-in-class, feature-rich cloud phone system. -
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FreeSWITCH
FreeSWITCH
Everything you need to know to dive into the FreeSWITCH platform. FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a versatile software implementation that runs on any commodity hardware. From a Raspberry PI to a multi-core server, FreeSWITCH can unlock the telecommunications potential of any device. Combined with our hosted cloud platform, SignalWire, FreeSWITCH can interconnect with the outside world and scale to any size. The Pre-built virtual machine has both a written and video how-to to help you get started. All you need is a copy of virtualbox and you can be off and running in minutes. If you are an experienced developer you can also follow the instructions below to compile the FreeSWITCH platform from source among other manual installation options. If you already have a spare Debian instance handy, you can follow the link below to get detailed instructions on how to get our packages installed. -
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Yeastar K2 IP PBX
Yeastar
Available as hardware and software, Yeastar K2 IP PBX supports 2000 users, 500 concurrent calls and 400 VoIP trunks across locations, providing medium and large enterprises with full flexibility and capability. Engineered for the communications needs of today and tomorrow, Yeastar K2 IP PBX delivers enterprise-level features with exceptional reliability, and enables extraordinary remote working agility with next-level Linkus UC Softphone. -
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R.E. Communications IP-PBX Premise based
R.E. Communications
R.E. Communications offers an Asterisk based IP-PBX system. These systems support all industry standard SIP phones, with enterprise level features that go from 1 phone to 4000 phones. These systems also support SIP trunking which with the combination of SIP trunks and SIP phones you can replicate the services of a Hosted solution but save on the per seat cost. Typically a 10 phone/seat system can be supported with 4 to 6 SIP trunks which is a savings over the 10 seat cost of a Hosted solution. -
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REVE SBC
REVE Systems
REVE Session Border Controller (SBC) is a carrier-grade, software-based solution designed for telecom operators and service providers to secure, manage, and optimize real-time IP communications. It supports up to 70,000 concurrent calls from a single server and offers scalability through a distributed architecture for media and signaling. The SBC provides robust security features, including Denial of Service (DoS) attack mitigation, fraud detection, and topology hiding. It also facilitates seamless SIP trunking, cloud communications, and mobile connectivity. Key functionalities include intelligent call routing, Least Cost Routing (LCR), rate plan normalization, and real-time billing with a mobile-responsive interface. The system ensures that users' balances never go negative by automatically terminating calls when the balance reaches zero. -
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AudioCodes Software-Defined Voice Network
AudioCodes
Digital transformation for communications and collaboration solutions. Leveraging the principles of Software-Defined Networking (SDN), AudioCodes Software-Defined Voice Network (SDvN) is an open solution designed to help large enterprises undergoing the digital transformation process to simplify the operations of their voice networks and increase call routing efficiency. It achieves this through consolidation of communications silos, connectivity with SIP trunk services and utilization of the corporate IP network to optimize call routing. Through a combination of AudioCodes' session border controllers (SBCs), global end-to-end call routing and policy management, user management, and voice network management tools, SDvN enables the creation of a universal network that connects on-premises and cloud-based communications solutions without having to replace existing platforms. -
20
Pulsar360
Pulsar360
Now your customers can truly work from anywhere with a feature-rich mobility solution with the mission-critical features they need. We enable you to save money with built-in redundancy and instant provisioning of SIP trunks, DIDs, and toll-free lines. Pulsar360 Corporation's Voice over IP (VoIP) solutions provide high-quality voice communications, which can be delivered over affordable broadband service from other providers and/or Pulsar360-managed carrier services. Customers save money and increase productivity by streamlining their communications into a single network connection for phone service and high-speed Internet. Having invested more than ten years in perfecting our VoIP platform, we have created one of the most sophisticated, highly-automated systems in North America. With this innovation, we can offer instant provisioning of SIP trunks, hosted and hybrid VoIP PBXs, local and international DIDs, toll-free numbers, as well as advanced management capabilities. -
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Microsoft MCP Gateway
Microsoft
Microsoft MCP Gateway is an open source reverse proxy and management layer for Model Context Protocol (MCP) servers that enables scalable, session-aware routing, lifecycle management, and centralized control of MCP services, especially in Kubernetes environments. It functions as a control plane that routes AI agent (MCP client) requests to the appropriate backend MCP servers with session affinity, dynamically handling multiple tools and endpoints under one unified gateway while ensuring authorization and observability. It lets teams deploy, update, and delete MCP servers and tools via RESTful APIs, register tool definitions, and manage these resources with access control layers such as bearer tokens and RBAC. Its architecture separates control plane management (CRUD operations on adapters/tools and metadata) from data plane routing (streamable HTTP connections and dynamic tool routing), offering features like session-aware stateful routing.Starting Price: Free -
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FreePBX
Sangoma Technologies
The “Free” in FreePBX stands for Freedom. That’s because FreePBX, the world’s most popular open source IP PBX, gives users the tools to build a phone system tailored to their needs. Discover the power of open source communications. Take a look at all the built-in features FreePBX has to offer and start building your phone system. Transform your FreePBX install into a robust Unified Communications system with commercial modules from Sangoma and other add-ons for FreePBX. Visit the Knowledge Base on the FreePBX Wiki! Or let FreePBX experts assist with support for installing FreePBX, updating, troubleshooting, and beyond. Completely free to download and use, the power of FreePBX comes from a global community of developers who ensure it remains a high compatibility and customizable platform with all the key features needed to build a scalable business phone system on any budget. -
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Taridium ipbx
Taridium
The Taridium ipbx is a highly capable software VoIP PBX system that replaces a traditional hardware based PBX. ipbx runs on standard server hardware, or in the cloud and does not require any additional software licenses. An End User Panel that let’s you control all aspects of your own extension, such as managing your call via an operator console, listen to voicemail, configure call forwarding, create ad-hoc telephone conferences and much more. Configure your extension to only forward during certain times, using your iCalendar feed or based on a list of favourite caller IDs. A meet-me type conference room for each and every user. No more scheduling conflicts and live conference management, which allows you to mute and kick participants. Invite users with the click of a button and have the system call them instead of having to provide cumbersome login instructions.Starting Price: $199 one-time payment -
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Sangoma Wholesale Carrier Services (formerly VI Communication Services) is designed to allow Internet telephony service providers (ITSPs) and managed service providers (MSPs) to easily provide high value services that their customers expect without any hassle. Businesses can also leverage our communication APIs to empower their applications with voice and messaging features, allowing them to easily communicate with their clients. As an ITSP, MSP or VAR, support your existing retail SIP trunking customers and sell phone numbers and other VoIP services not typically available within your network reach, adding new revenue streams. Or if you are just getting started, offer new retail SIP trunking service and bundle features you want to offer your new customers, such as messaging, conference bridging and more.
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Duende IdentityServer
Duende
IdentityServer is a flexible and standards-compliant OpenID Connect and OAuth 2.0 framework for ASP.NET Core, offering full control over UI, UX, business logic, and data. IdentityServer is officially certified by the OpenID Foundation and implements over a dozen protocols and standards from the OpenID Foundation and IETF working groups. It supports unlimited hosting options, allowing deployment on-premises, in the cloud, behind a VPN, on Windows, Linux, Docker, or Kubernetes. Duende Software also offers additional products such as IdentityServer for Redistribution and a Backend for Frontend (BFF) security framework. Comprehensive documentation and training resources are available to support developers in implementing these solutions. Being fully standards-compliant is very important to us, and we want to give you access to every aspect of the OAuth and OpenID Connect protocol family.Starting Price: $1,500 per year -
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Sansay VSXi Software SBC
Sansay
Sansay's VSXi Session Border Controller (SBC) is a high-performance, software-based solution designed for communications service providers, offering critical functions such as security, network address translation, protocol normalization, and session management. It supports up to 500,000 concurrent calls and 1 million SIP registrations, providing scalability for large deployments. The VSXi facilitates SIP trunking applications by managing Least Cost Routing and NAT traversal requirements. It also offers programmable SIP trunking capabilities, allowing for authenticated and unauthenticated trunks with features like extension-to-extension dialing, call forwarding, and failover support. Integration with Microsoft Teams is supported through Direct Routing, enabling users to make, receive, and transfer calls between Teams and the public switched telephone network (PSTN). The VSXi can be deployed in cloud environments and includes APIs for integration and customization. -
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UploadThing
UploadThing
UploadThing is an open source file upload solution designed for full-stack TypeScript applications. It simplifies the process of adding file uploads by allowing developers to define File Routes that specify the types of files allowed, their sizes, and quantities. It provides SDKs for various frameworks, including Next.js, Astro, SolidStart, SvelteKit, and Nuxt, as well as backend adapters for Express, Fastify, H3, and others. Client-side uploads are facilitated through components and hooks, enabling seamless integration with frontend frameworks like React and Vue. UploadThing emphasizes a balance between security and simplicity by handling authentication on the developer's server while managing the upload process on its own infrastructure. This approach allows for server-side authorization without the need to process files on the developer's server.Starting Price: $10 per month -
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Avaya IP Office
Avaya
Our award-winning, globally available Avaya IP Office delivers a full-featured unified communications platform implemented and managed on your premises. To keep improving both your customer and employee interactions and experiences, explore all your IP Office-ready capabilities. Study your customer calls by setting up call recording, tracking, and reporting. This Avaya Call Reporting capability can be delivered through IP Office to record and document incoming calls. You can also add real-time call center agent seats and dashboards for more efficient call handling. Combine Avaya IP Office with a subscription for Avaya Spaces and you gain a single app for voice, video, messaging, conferencing, and a calendar—all available on any device, in any location. -
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MikoPBX
MikoPBX
MikoPBX is a full-featured phone solution with a top performance level, high stability, and rich functionality. You can install MikoPBX on-premise (hardware installation) or in any type of cloud service (Google cloud, Amazon Cloud Solution, Microsoft Azure, etc.) MikoPBX is a free phone system, all basic business functionality is absolutely free. The system has an easy and convenient web interface, call recording, conference calls, voice mail, call transfers and pickup, call queues, an interactive voice response(IVR) menu, and inbound and outbound call rules. Also, you can find holidays and night-time calls switchers there. MikoPBX has the ability to extend functionality with plugins and modules from developers around the world. MikoPBX is completely free, you can use add-ons that extend the capabilities of your PBX. MikoPBX does not license each user. Expand your company without additional costs for new employees or call recordings.Starting Price: $100 per request -
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Routing24
Routinghub LLC
Routing24 allows you to plan and optimize multi-stop multi-vehicle routes completely for free, without the daily or monthly limits our competitors charge for. Build routes with: 🔹 Vehicles capacity & load constraints 🔹 Site time windows and SLAs 🔹 Overnight and multi-day schedules 🔹 Custom driver shifts, depots and start/stop locations 🔹 Cost per distance, time or fixed per vehicle 🔹 Built-in geocoding and address recognition 🔹 Excel export and import of all data and routes 🔹 Data privacy: no data is uploaded to us to any other party Powerful enough for enterprise fleets, accessible to everyone worldwide. Built using OpenStreetMap data by route optimization and geospatial tech experts. Forever free - uses your own laptop or PC resources to find optimal routes, instead of expensive cloud servers. Optimize your first route today for free!Starting Price: $0 -
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sipXcom
sipXcom
sipXcom was established in January of 2015 from a fork in the sipXecs project by the development team at eZuce, Inc. sipXecs and SIPfoundry in particular had become a user community and was not seeing any growth in the developer community. Due to a restrictive contributor agreement, sipXcom is without any restrictive contribution rights. sipXcom source code licensing is based on the copyleft-friendly AGLP v3 (Affero General Public License). SWARM is the code name for the next generation of sipXcom/sipXecs projects. Under development with anticipated production readiness scheduled for early 2017, SWARM will be a microservices-based architecture that will improve upon sipX scalability, reliability and configurability. The software is designed to support any compute platform whether you want to use dedicated, virtual, or cloud-based servers. You can also create hybrid implementations with a combination of premise-based and data center or cloud instances. -
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Wavetel
Wavetel Business LTD
Formed in 2010, Wavetel has grown to become a leading provider of telecom services in the UK and rest of the world. Wavetel started as a wholesale operator offering Voice, SMS and Data services to other operators. In 2013 Wavetel launched its B2B services which includes VoIP telephony services, Connectivity, Virtual Numbers, SIP Trunks, Microsoft Teams Direct Routing, Mobile, SMS, Call Center Solutions for its valued clients and business partners worldwide. Over the years, our voice messaging offerings have constantly evolved as an enterprise solution allowing it to integrate with third party CRMs and business apps using our programmable APIs.Starting Price: $13 per month -
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Azure Route Server
Microsoft
Azure Route Server enables network appliances to exchange route information with Azure virtual networks dynamically. Configure your network appliances and Azure ExpressRoute and VPN gateways to automatically take the latest route information from Azure Route Server instead of manually talking to each network. Use Azure Route Server to enable dynamic routing between your network appliances and gateways in Azure, instead of using static routing. Azure Route Server provides Border Gateway Protocol (BGP) endpoints using standard routing protocol to exchange routes. Easily use Azure Route Server with existing deployments or new deployments with support for any network topology, such as hub and spoke, full mesh, or flat virtual network.Starting Price: $0.45 per hour -
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Pangolin
Pangolin
Pangolin is an open source, identity-aware tunneled reverse-proxy platform that lets you securely expose applications from any location without opening inbound ports or requiring a traditional VPN. It uses a distributed architecture of globally available nodes to route traffic through encrypted WireGuard tunnels, enabling devices behind NATs or firewalls to serve applications publicly via a central dashboard. Through the unified dashboard, you can manage sites and resources across your infrastructure, define granular access-control rules (such as SSO, OIDC, PINs, geolocation, and IP restrictions), and monitor real-time health and usage metrics. The system supports self-hosting (Community or Enterprise editions) or a managed cloud option, and works by installing a lightweight agent on each site while using the central control server to handle ingress, routing, authentication, and failover.Starting Price: $15 per month -
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Blue Telecoms
Blue Telecoms
Cutting edge telecoms software alongside a robust and powerful communications network to empower your business to do more. Our hosted solution will supercharge your outbound and inbound dialing and organize your call operation while reducing costs. Enterprise-grade SIP Trunking at wholesale rates with unlimited capacity, high-quality, high-volume outbound VoIP services. Reduce your office telephony costs and increase the functionality with unique call routing, call recording and reports. Our purpose-built network handles extremely high call volumes whilst providing exceptional call quality and utmost reliability. Need to contact more clients? With Blue Telecoms, you can take advantage of our industry-leading answer machine detection, outbound number rotation and lead recycling rules. With Blue Telecoms, we use nothing but tier 1 VOIP carriers and infrastructure. Not only this, but we use multiple carriers, ensuring that your important projects don’t go down. -
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Inertia
Inertia
Inertia.js is a framework that enables developers to build modern single-page applications using classic server-side routing and controllers. It allows for the creation of fully client-side rendered SPAs without the complexity typically associated with such applications. Inertia.js operates without client-side routing or the need for an API, allowing developers to build controllers and page views as usual. It functions as a connector between server-side frameworks and modern frontend frameworks, offering official client-side adapters for React, Vue, and Svelte, and server-side adapters for Laravel, Rails, and Phoenix. This approach enables the development of modern SPAs while leveraging existing server-side patterns. Inertia isn't a replacement for your existing server-side or client-side frameworks. Rather, it's designed to work with them. Think of Inertia as the glue that connects the two. Inertia does this via adapters. -
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Wiretap Telecom
Wiretap Telecom
Wiretap Telecom delivers a comprehensive suite of VoIP and SIP trunking services tailored for businesses seeking scalable, reliable, and secure communication solutions. Our user-friendly portal empowers users to manage services effortlessly, offering features like real-time call and fax analytics, detailed trunk operations logs, and call routing management. It supports multiple texting solutions, including Email2SMS, SMS App, and seamless PBX integration, ensuring flexibility in messaging needs. With international calling capabilities to all countries and the ability to manage multiple accounts from a single interface, Wiretap Telecom ensures global connectivity and streamlined operations. Our SIP trunking services are compatible with various PBX systems, including FreePBX, Yeastar, 3CX, and Asterisk, facilitating easy integration and enhanced voice capabilities. -
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ContextForge MCP Gateway is an open source Model Context Protocol (MCP) gateway, registry, and proxy platform that provides a unified endpoint for AI clients to discover and access tools, resources, prompts, and REST or MCP services in complex AI ecosystems. It sits in front of multiple MCP servers and REST APIs to federate and unify discovery, authentication, rate-limiting, observability, and traffic routing across diverse backends, with support for transports such as HTTP, JSON-RPC, WebSocket, SSE, stdio, and streamable HTTP, and can virtualize legacy APIs as MCP-compliant tools. It includes an optional Admin UI for real-time configuration, monitoring, and log visibility, and is designed to scale from standalone deployments to multi-cluster Kubernetes environments with Redis-backed federation and caching for performance and resilience.
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SmartFlo
CHALEX
SmartFlo routes a virtual “Job Bag” through a selected process model automatically associating project and job metadata with the digital files being routed through secure role-based access to assigned tasks. SmartFlo provides enterprise IT with a DAM-enabled BPM server that may be integrated with other enterprise systems and SaaS services through RESTful APIs. Smartflo is developed with open source software employing a service-oriented architecture with an oracle /mysql database. SmartFlo is a designed enterprise with a no-code platform that simplifies the digital transformation of any business workflow. It routes a virtual “Job Bag” through a selected process model automatically associating project and job metadata with the digital files being routed to team members through secure role-based access to assigned tasks. SmartFlo is open-source software and provides enterprise IT with a DAM-enabled BPM server, integrable with other enterprise systems, and SaaS services.Starting Price: $18 per month -
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Arch
Arch
Arch is an intelligent gateway designed to protect, observe, and personalize AI agents through seamless integration with your APIs. Built on Envoy Proxy, Arch offers secure handling, intelligent routing, robust observability, and integration with backend systems, all external to business logic. It features an out-of-process architecture compatible with various application languages, enabling quick deployment and transparent upgrades. Engineered with specialized sub-billion parameter Large Language Models (LLMs), Arch excels in critical prompt-related tasks such as function calling for API personalization, prompt guards to prevent toxic or jailbreak prompts, and intent-drift detection to enhance retrieval accuracy and response efficiency. Arch extends Envoy's cluster subsystem to manage upstream connections to LLMs, providing resilient AI application development. It also serves as an edge gateway for AI applications, offering TLS termination, rate limiting, and prompt-based routing.Starting Price: Free -
41
Kuma
Kuma
The open-source control plane for service mesh, delivering security, observability, routing and more. Built on top of Envoy, Kuma is a modern control plane for Microservices & Service Mesh for both K8s and VMs, with support for multiple meshes in one cluster. Out of the box L4 + L7 policy architecture to enable zero trust security, observability, discovery, routing and traffic reliability in one click. Getting up and running with Kuma only requires three easy steps. Natively embedded with Envoy proxy, Kuma Delivers easy to use policies that can secure, observe, connect, route and enhance service connectivity for every application and services, databases included. Build modern service and application connectivity across every platform, cloud and architecture. Kuma supports modern Kubernetes environments and Virtual Machine workloads in the same cluster, with native multi-cloud and multi-cluster connectivity to support the entire organization. -
42
Golf
Golf
GolfMCP is an open source framework designed to streamline the creation and deployment of production-ready Model Context Protocol (MCP) servers, enabling organizations to build secure, scalable AI-agent infrastructure without worrying about boilerplate. It allows developers to define tools, prompts, and resources as simple Python files, after which Golf handles routing, authentication, telemetry, and observability, so you focus on logic, not plumbing. The platform supports enterprise authentication (JWT, OAuth Server, API key), automatic telemetry, and a file-based structure that eliminates decorators or manual schema wiring. With built-in utilities for LLM interactions, error logging, OpenTelemetry integration, and deployment tools (such as a CLI with golf init, golf build dev, golf run), Golf provides a full stack for agent-native services. Included also is the Golf Firewall, an enterprise-grade security layer for MCP servers that enforces token validation.Starting Price: Free -
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BackAnt
BackAnt
BackAnt is an AI-native backend development tool designed to automatically generate production-ready APIs and backend infrastructure from simple specifications or prompts. It works primarily as a command-line interface that scaffolds complete backend applications using the Flask framework, allowing developers to generate fully structured projects in seconds instead of building them manually. When a user runs a generation command or provides a JSON specification describing the required endpoints and data structure, the system automatically creates the key components of a backend application, including API routes, business-logic services, data repositories, database models, and application startup configuration. The generated project follows a layered architecture that separates routing, business logic, and data access, helping maintain clean and scalable code organization.Starting Price: $15 per month -
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Cool Telecom
Cool Telecom
Cool Telecom is a cloud-based simple phone system for all business sizes. we have a multifunction interface that include CRM and Helpdesk tools, that increase sales and help support teams to communicate clearly and efficiently. The client can instantly add numbers from 50+ countries, scale their teams based on seasonality, and gain deep insights through real-time analytics. Accessible from any device, Place and take calls anywhere. You can instantly obtain phone numbers in over 50+ countries, and handle calls from Cool Telecom multifunction app. Quickly and efficiently route calls according to IVR selection, agent skills, time zone, and more, including an intuitive dashboard. Also you can get advanced and real-time analytics on agent and team performance and productivity, monitor them on the live feed and cross-reference data with an existing CRM for more understanding and improvement.Starting Price: €10 per month -
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VoIP Route
VoIP Route
VoIP Route's hosted phone service runs on the latest cloud-based technology to connect your business without the high costs of traditional premise-based systems and without any compromises. Seamlessly connect, call and collaborate from phones, smart devices, computers or laptops. VoIP Route is a business-class SIP trunk service provider for both IP-PBX systems and analog/digital telephone adapters or gateways. We have earned the trust of our partners and customers by delivering the highest quality service at a competitive price backed by exceptional support. Residential VoIP uses innovative technology to deliver maximum performance at lower costs. Instead of using outdated phone lines to place calls, convert your calls to digital data and use the Internet to make your calls. Residential VoIP phone service is much cheaper than traditional phone service and can help save on expensive monthly bills. -
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Mockoon
Mockoon
Mockoon offers tons of features that makes API mocking a breeze. Get Mockoon latest version and start creating mock APIs! Create an unlimited number of mock API with unlimited number of routes and run them in parallel. Use the CLI to run your mock APIs in any headless or automated environment: servers, CI, GitHub Actions, etc. Mock API import / export with Swagger/OpenAPI format support. Serve multiple rules-triggered or random responses with any headers body, or HTTP status codes. Serve your mock API over TLS with self-signed certificate. Add any response headers to your routes and mock API. With auto-completion. Add latency at environment or route level or even both. All incoming requests and outgoing responses are logged for easier debugging. Redirect all non-defined routes to the specified host with Mockoon's proxy mode. File serving with automatic mime type detection and templating support. -
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The Nokia Virtualized Service Router (VSR) is a highly flexible virtualized IP edge router designed and optimized for telco cloud environments. It enables rapid service innovation while lowering operating costs. With the VSR, service providers can extend service reach, open new markets, and accelerate time to market. The VSR supports a broad and rich set of virtualized IP edge applications, and virtualized network functions (VNFs) to support mobile, business, and residential services. Based on the Service Routing Operating System (SR OS), the VSR delivers high performance and elastic scalability for x86 server environments. The VSR supports the highest levels of reliability and resiliency. It also offers flexible management options – from working with open frameworks to delivering OpenStack®-integrated VNF management and element management capabilities with our 5620 Service Aware Manager (SAM).
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TanStack
TanStack
TanStack is an open source, framework-agnostic collection of high-quality, headless, and type-safe utilities designed for modern web development, offering powerful capabilities in state management, data fetching, routing, UI logic, tables, data grids, charts, and reactive client-side storage. Its ecosystem includes core libraries such as TanStack Query for asynchronous server-state fetching and caching, TanStack Router for full-stack and client-side routing with full TypeScript inference and URL state support, and TanStack Table for headless, customizable tables and data grids across TS/JS frameworks. Additional tools, such as TanStack DB, extend the reactive store with live queries and optimistic mutations, while frameworks like TanStack Start provide a full-stack React experience, including SSR, streaming, server functions, and bundling, powered by its own router and Vite. Collectively, TanStack tools emphasize developer control, performance, scalability, and type safety.Starting Price: Free -
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Hype Proxies
Hype Proxies
HypeProxies is a proxy service provider offering high-speed ISP and residential proxies designed to route internet traffic through real IP addresses from Internet Service Providers, so requests appear as if they’re coming from genuine users rather than servers, reducing the chance of blocks while maintaining strong performance and anonymity. Hype Proxies’ proxies deliver unlimited bandwidth and 10 Gbps+ speeds with low latency from Tier 1 datacenter infrastructure and real residential IPs across the United States, making them suitable for automation tasks that require stability and stealth, like web scraping, sneaker copping, ticket buying, SEO data collection, social media management, and market research. HypeProxies emphasizes fast, static proxies with 99.9% uptime, multi-thread support, and round-the-clock expert support via live chat, helping users configure and scale their proxy stacks across use cases such as automated checkout, bot workflows, and more.Starting Price: $1.16 per IP -
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thinQ
Commio
thinQ offers a "better way" to power voice and SMS/MMS text messaging applications in the cloud, get up and running fast with our new, integrated thinQ io portal or APIs. We make it easy for SaaS and UCaaS platforms, enterprise contact centers plus telecom VoIP providers to bring your own 40 high-quality carriers to Twilio, Nexmo, Plivo, SignalWire or any SIP connection. Use our APIs to add and control your inbound and outbound voice and texting features in your existing tech stack in minutes, save on your cost of goods, connect to existing SIP providers, improve call delivery and quality, and more. Our now fully-integrated thinQ.io Web platform also makes it easy to buy and port phone numbers, create route profiles and trunks, enable text messaging, and more. Add call-specific analytics and SIP ladders along with our five-star support team to mitigate and route around outages, create custom routes and blocks, and more – and you've found a "better way" to communicate.Starting Price: $500