Alternatives to SimpleX
Compare SimpleX alternatives for your business or organization using the curated list below. SourceForge ranks the best alternatives to SimpleX in 2026. Compare features, ratings, user reviews, pricing, and more from SimpleX competitors and alternatives in order to make an informed decision for your business.
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1
Element
Element
Element is a secure communications platform built on Matrix: a decentralised and end-to-end encrypted protocol. Bring your teams together, boost productivity and workplace satisfaction, while retaining complete ownership of your data. Element is a leader in the Forrester Wave: Secure Communications report. Easily collaborate with your partners, suppliers or clients with video calls and instant messaging: like email for the 21st century. You can even connect your Slack, MS Teams, WhatsApp accounts. On the other hand Element can be closed for high security environments using secure border and cross domain gateways, and even air-gapped deployments. Being built on Matrix, there is no single point of failure for the network thanks to the decentralised network architecture, making it perfect for mission-critical environments. Please contact us to explore how your business can benefit from Element.Starting Price: $5 Per Monthly Active User -
2
Rocket.Chat
Rocket.Chat
Rocket.Chat is a fully customizable, open-source communications platform for organizations with high standards of data protection. It enables real-time conversations between colleagues, with other companies, or with your customers, regardless of how they want to connect with you. Compared to similar players in the industry, such as Slack and Microsoft Teams, Rocket.Chat offers an on-prem deployment that enables organizations to take full ownership of their data. Rocket. Chat's open-source nature makes it more flexible to meet specific company needs and more scalable to follow your organization's growth. It also holds the only true MIT open-source license. We have over 1000 developers across the world contributing to the open-source code. Every day, tens of millions of users in over 150 countries and in organizations such as Audi Business Innovation, Deutsche Bahn, The US Navy, and Credit Suisse trust Rocket.Chat to keep their communications completely private and secure.Starting Price: $3/user/month -
3
Brosix
Brosix
Brosix Instant Messenger (IM) supports businesses to streamline and secure their team communication through private team communication networks. Brosix provides businesses with all of the tools they need to increase team productivity in one user friendly and fully encrypted platform, including file transfer, screen sharing, group and private chat, virtual whiteboard and more. Brosix IM’s private networks help businesses to increase team collaboration and efficiency, reduce overhead, and guarantee data privacy. Team networks take just minutes to set up, so businesses can immediately begin reaping the benefits of their all-in-one, and fully administrable communication network.Starting Price: $4 per month -
4
Threema
Threema
Threema is an instant messenger designed to generate as little user data as possible. All communication is always end-to-end encrypted. When setting up the chat app, each user generates a random Threema ID. Linking a phone number or email address is optional. Free online services are often financed by using user data for advertising. For example, WhatsApp collects metadata, which isn't compatible with privacy protection. Threema is financed by the price of the app and does not collect user data. Hide particularly sensitive chats, and lock them with a PIN or biometric data. Place calls without revealing your phone number. Threema calls are end-to-end encrypted and thus tap-proof. They impress with crystal-clear voice quality and brilliant video quality. Threema is a true Swiss company hosting its own servers in Switzerland. From software development to customer support, everything is done in-house. The instant messaging service is fully GDPR-compliant.Starting Price: $5.99 per month -
5
WireMin
WireMin
It’s time to ditch the Web 2.0 social networks! WireMin is a decentralized social network that enables complete freedom of expression and privacy protection. The WireMin Network is purely based on people’s devices and does not rely on any cloud services of giant companies. It provides a superior secure messaging experience by not only concealing your message content with end-to-end encryption but also eliminating the possibility of censorship, surveillance, or data collection. On WireMin, you can experience a new level of privacy and security: 1/ Anonymous ID creation: NO email or phone number required 2/ E2E-encrypted for DMs, images, files, voice message, voice call 3/ Feed space for blog posting 4/ Chat space with unlimited members 5/ Secret group 6/ Crypto transfer while chatting 7/ Fast & Unlimited file transfer Not just an instant messenger or social network. On WireMin, free speech and privacy are inevitable, not choices.Starting Price: $0 -
6
Cwtch
Open Privacy Research Society
Cwtch (/kʊtʃ/ - a Welsh word roughly translating to “a hug that creates a safe place”) is a decentralized, privacy-preserving, multi-party messaging protocol that can be used to build metadata resistant applications. Decentralized and Open Participants in Cwtch can host their own safe spaces, or lend their infrastructure to others seeking a safe space. There is no “Cwtch service” or “Cwtch network”. The Cwtch protocol is open, and anyone is free to build bots, services and user interfaces and integrate and interact with Cwtch. All communication in Cwtch is end-to-end encrypted and takes place over Tor v3 onion services. Cwtch has been designed such that no information is exchanged or available to anyone without their explicit consent, including on-the-wire messages and protocol metadata.Starting Price: Free -
7
Pryvate Messenger
Pryvate Messenger
Pryvate Messenger is a secure communication platform that prioritizes user privacy by utilizing serverless technology, man-in-the-middle flagging, and robust encryption. It offers features such as anonymous registration, allowing users to sign up without a SIM card, and self-destructing messages that can be set to auto-delete, leaving no trace behind. The app ensures no third-party tracking and retains no metadata, safeguarding user information. Users can make high-quality voice and video calls both on and off-network without compromising security. The platform also includes a Pryvate Onion Browser for ad-less web browsing via Tor/I2P, secure instant messaging for exchanging various media, and a unified DeFi wallet for fiat and crypto payments. Additional functionalities include remote wipe capabilities, allowing users to delete messages from both their device and the recipient's, and anti-blocking technology that ensures uninterrupted, secure communication. -
8
SekurMessenger
Sekur Private Data
Encrypted messaging application designed for organizations that need to protect their flow of information and secure their communications between devices, with customers and partners. SekurMessenger is not just any ordinary messaging app. It is designed to provide military-grade encryption and privacy by design ensuring that only the sender and intended recipient can read the messages exchanged. It also employs multi-vault encryption layers, segregating users' data in virtual vaults and encrypting it with individual keys. This means that your data is safe even if one layer of encryption is compromised. We do not collect or store metadata of any kind, or share information with third parties, and guarantee privacy using our own servers. SekurMessenger works for both licensed users of the application and external users who do not have the app. Hosted in Switzerland SekurMessenger is protected by some of the world's strongest privacy laws and remains outside of US and EU jurisdiction.Starting Price: $7 per month -
9
xx messenger
Elixxir
A quantum leap in chat privacy, xx messenger brings you the decentralization, speed, privacy, and security required to protect your communications long-term. At this point in the digital world, our personal digital metadata, not just our messages, but data about who talks to whom, when, and where, has been marketed, auctioned, and monetized hundreds of thousands of times over. The world’s first end-to-end encrypted, metadata shredding, the quantum-secure messaging app is here, the xx messenger empowers users to create and correspond in confidence while simultaneously achieving the independence, speed, and security required to protect your communications far into the future. When using xx messenger, nobody can know who you communicate with. While all other messaging apps capture and potentially exploit information about your messaging patterns, xx network shreds this information by mixing messages through randomly-chosen xx network nodes around the world.Starting Price: Free -
10
Session
The Session Technology Foundation
Session is an end-to-end encrypted messenger that minimizes sensitive metadata, designed and built for people who want absolute privacy and freedom from any form of surveillance. Session accounts are completely anonymous. No phone number or email required. Session doesn’t collect data, so there’s nothing to leak. Send messages through our onion routing network and leave no trace. Session’s code has nothing to hide. Anyone can view, audit, and contribute. With no central point of failure, it’s harder to shut Session down. Talk to your friends or talk to the world. You decide. Closed groups let you talk to up to 20 friends at once, with the same encrypted protection as one-on-one chats. Got a bigger crowd? Use an open group to connect with as many people as you want. Sometimes, a text just isn’t enough. Voice messages let you send something a little more personal, so nothing gets lost in translation. -
11
Telegram
Telegram
Telegram messages are heavily encrypted and can self-destruct. Telegram lets you access your messages from multiple devices. Telegram delivers messages faster than any other application. Telegram servers are spread worldwide for security and speed. Telegram has an open API and protocol free for everyone. Telegram is free forever. No ads. No subscription fees. Telegram servers are spread worldwide for security and speed. Telegram has an open API and protocol free for everyone. Telegram is free forever. No ads. No subscription fees. Telegram keeps your messages safe from hacker attacks. Telegram has no limits on the size of your media and chats. Help make messaging safe again – spread the word about Telegram. -
12
iCanText
Say See Show
iCanText is a decentralized, peer-to-peer messaging application that operates directly in modern web browsers without requiring servers, accounts, or personal identifiers, ensuring maximum privacy and anonymity for users. Messages travel directly between devices via end-to-end encryption, masking both content and metadata like who is communicating with whom, eliminating risks from server storage, hacking, or surveillance. Users create or join private workspaces using simple names or shareable links, supporting text exchanges, photo sharing, and group spaces protected by passwords for clubs, teams, or professional discussions. It works seamlessly across phones, tablets, and computers with no installation or updates needed, prioritizing simplicity for personal, community, or sensitive professional use cases like those for lawyers and journalists.Starting Price: $0/month/user -
13
Signal
Signal Messenger
Fast, simple, secure. Privacy that fits in your pocket. Send high-quality group, text, voice, video, document, and picture messages anywhere in the world without SMS or MMS fees. Signal messages and calls are always end-to-end encrypted and painstakingly engineered to keep your communication safe. We can't read your messages or see your calls, and no one else can either. Keep your chat history tidy with messages that you can set to disappear. Choose different disappearing message intervals for each conversation. Everyone in the thread shares the same setting. Good memories will last even if the words vanish. Signal is made for you. As an Open Source project supported by grants and donations, Signal can put users first. There are no ads, no affiliate marketers, no creepy tracking. Just open technology for a fast, simple, and secure messaging experience. The way it should be. -
14
Microsoft Kaizala
Microsoft
Microsoft Kaizala. A simple and secure work management and mobile messaging app. Engage securely with your networks, including partners, suppliers, customers, citizens, and others. With a simple phone number sign-up, you can connect and coordinate with anyone. Coordinate work more effectively Communicate with multimedia messaging and audio and video calling using Microsoft Kaizala‘s simple chat interface. Manage tasks, collect data, and gather insights with integrated work management action cards. Engage with your networks Connect securely with millions and create flexible groups including hierarchies, and hub and spoke models, using Kaizala’s open directory model. Users sign up for the free mobile app1 with a phone number. Digitize business processes Integrate business systems using Microsoft Kaizala’s open APIs and customizable action cards. Automate processes using Microsoft 365 integration with Microsoft Flow, SharePoint, Excel, and Power BI.*Starting Price: $4 per user per month -
15
WhatsApp
Meta
Simple. Secure. Reliable messaging. With WhatsApp, you'll get fast, simple, secure messaging and calling for free*, available on phones all over the world. WhatsApp Business is a free to download app that built with the small business owner in mind. Create a catalog to showcase your products and services. Connect with your customers easily by using tools to automate, sort and quickly respond to messages. WhatsApp can also help medium and large businesses provide customer support and deliver important notifications to customers. Learn more about WhatsApp Business API. Some of your most personal moments are shared on WhatsApp, which is why we built end-to-end encryption into the latest versions of our app. When end-to-end encrypted, your messages and calls are secured so only you and the person you're communicating with can read or listen to them, and nobody in between, not even WhatsApp. -
16
Solarium
Solarium
Solarium is a fully decentralised, end-to-end encrypted, censorship-resistant instant messenger based on the Solana blockchain. Solarium is currently in alpha phase, running on the Solana devnet. All messages in Solarium are end-to-end encrypted using the XChaCha20-Poly1305 symmetric encryption algorithm, using a 256-bit content encryption key (CEK) that is shared for all messages in a given channel. The message content in Solarium is not directly signed, i.e. the data itself, once decrypted, does not contain details about the sender. Instead, the blockchain transaction that adds the message to the channel is signed by the sender. -
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Astian Spika
Astian
A different, light, fast, safe & powerful messaging service. We have implemented a messaging system that focuses on security, speed and productivity, it is completely free and integrates with Astian Cloud. Astian Spika is a free instant messaging service for smartphones, tablets, web, and laptop, it can make calls, video calls, send files and much more. Astian Spika protects your privacy with an end-to-end encryption, we protect your messages, calls, the encryption is also open source. You are the only one who reads the messages. The voice has a special ability in addition to communicating, conquering, communicate better with voice messages and express your feelings, emotions and conquer the world with your voice. Calls and video calls bring people together, shorten distances and make you feel close to everyone, regardless of whether they are in another country, with Spika you can talk unlimitedly and for free with your friends, colleagues, and family. -
18
Anonymous Messenger
Anonymous Messenger
A peer-to-peer private anonymous and secure messenger that works over Tor. It's also free and open source software which gives users the freedom of changing it and redistributing it under the terms of the GNU General Public License v3. Anonymous Messenger utilizes Tor for its anonymity network and data transport security using the onion v3 protocol and the ability to run onion services on any device and connect directly and anonymously without having to set up any servers, also it uses the signal protocol to encrypt all data before sending it over the Tor network directly to the intended receiver, which means we get two layers of end-to-end encryption without using any server or service. Instead of using HTTP Anonymous Messenger, uses its own transport protocol which is written for anonymity and simplicity. For example, when we send a message we encrypt it using the Signal protocol then we establish an onionV3 encrypted connection and send the encrypted message.Starting Price: Free -
19
AWS Wickr
Amazon
AWS Wickr is a secure, end-to-end encrypted messaging platform designed for enterprises and government agencies to facilitate confidential communication. It supports text, voice, video, file sharing, and screen sharing with robust data protection and compliance capabilities. AWS Wickr ensures messages are encrypted at rest and in transit, with content expiration and ephemeral messaging features to reduce data retention risks. The platform allows for seamless collaboration while maintaining strict security, privacy, and regulatory standards. It is widely used in industries requiring high levels of confidentiality, such as defense, healthcare, and financial services.Starting Price: $5/user/month -
20
SimplexHub
Simplex Group
Whether you’re a carrier or a driver, SimplexHub goes beyond compliance, offering proactive risk and loss control. From managing expiring documents, permits, and tax filings to providing violation and accident-related training recommendations, we’ve got you covered. Our real-time over-the-road activities reporting keeps you up-to-date so you can make informed decisions. But that’s not all – introducing Simplex2Go, our mobile application that brings the same functionality of SimplexHub to your pocket. With Simplex2Go, compliance and proactive management are at your fingertips, anytime and anywhere. It’s a comprehensive approach to keeping your operations smooth and secure, ensuring your operations will never be the same again. -
21
Wire
Wire
Wire protects critical communications for the world’s most security-demanding organizations. Wire's highest security standards enable users to communicate securely, thanks to the most advanced encryption and its Zero-Trust architecture, while facilitating user administrators to manage and control their organization's information, guaranteeing the sovereignty of their data. Created by the founders of Skype, Wire provides end-to-end encryption for messages, audio and video conferencing, file exchange, external collaboration, and beyond. Used by most of the world's G7 governments and other security-critical organizations globally, Wire is pushing the limits of secure communication, pioneering work for standardized encryption with Messaging Layer Security. To learn more, visit wire.comStarting Price: 7.45€ -
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SIMPLEX HIMES
SIMPLEX HIMES
SIMPLEX HIMES is an inclusive and reliable Hospital Information System. It is developed to offer complete and autonomous solutions for medical service management. Get our software today! t the needs of independent solutions. Now with Simplex Himes, practicians can effortlessly manage all major functions through one intuitive platform. We have studied healthcare operations across the world to ensure that the SIMPLEX HIMES platform has a solution for every need, regardless of the department or demography. To cater to special requirements, we also offer unique add-on feature options for regional demands. Our solution can be tailored and upgraded to meet the changing requirements of the facility. You will have complete control over its configuration! Each business has its own rules. And with the SIMPLEX HIMES solution, you can set the software to operate abiding by these norms at all times. -
23
Keet
Holepunch
Video & Text. Private & Encrypted. Unparalleled Quality. Keet only shares end-to-end encrypted data between participants in your calls. Without middlemen, third-parties, or servers, there’s nobody left who can snoop or leak data. Keet video calls operate over direct connections between you and your friends, without using servers that can throttle your performance. You'll notice the difference. When you share a file in Keet, you don’t have to wait for it to upload. Other peers can immediately download it straight from the source. Megabytes, gigabytes, or terabytes and no limits. As your app grows beyond the hobby phase, Holepunch lets you evolve into a business without compromises. With Bitcoin Lightning and USDt micropayments built-in, it's easy to implement and use powerful paid features in apps. Peers control everything about their own data, including how it’s bought and sold. The days of tokens, ads, hidden incentives, and data harvesting are over.Starting Price: Free -
24
Keybase
Zoom Communications
End-to-end encryption for things that matter. Keybase is secure messaging and file-sharing. We use public key cryptography to ensure your messages stay private. Even we can’t read your chats. Keybase works for families, roommates, clubs, and groups of friends, too. Keybase connects to public identities, too. You can connect with communities from Twitter, Reddit, and elsewhere. Don’t live dangerously when it comes to documents. Keybase can store your group’s photos, videos, and documents with end-to-end encryption. You can set a timer on your most sensitive messages. -
25
Simplex
Simplex
Powerful. Seamless. Impactful. As the industry leader, we empower hundreds of partners to enable millions of people to buy billions of dollars in digital assets. Simplex, a licensed financial institution, empowers its vast network of partners to accept the widest range of payment methods, including Visa, MasterCard, Apple Pay, SWIFT, SEPA, and more! Zero risk, zero rolling reserve, zero security incidents. Highest conversion rates, multiple acquiring solutions. Enabling the purchase of 90+ cryptocurrencies through Simplex’s network of hundreds of partners. As a team obsessed with crypto adoption, we’re constantly rolling out support for additional currencies, including over 50 fiat currencies to date.Innovative solutions ensuring 100% fraudless transactions for you and your users, so you can focus on your expertise. -
26
Dust
Dust App
Dust gives you control over your digital life. We believe online life is real life, so only you should control what is known about you. Our users are protected—free from worry of prying eyes, data mining, sketchy hackers, and the paranoia that your words could come back to haunt you—freedom for everything that makes you. For everyday texting and sharing photos with friends, family and colleagues, or exchanging more sensitive information such as credit cards, social security numbers, bank information, wire transfer instructions, passwords, or medical records – Dust is the most secure private texting & messaging application. Rest assured knowing Dust conversations are heavily encrypted and not accessible by anyone, not even us. You can even erase messages off their phone in real-time. Once a message is deleted on Dust it can never be recovered, period. Send secret texts. -
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Jami
Jami
Jami is completely peer-to-peer and doesn't require a server for relaying data between users. Jami is a GNU project backed by the Free Software Foundation and distributed under a GPLv3 license. We use state of the art end-to-end encryption with perfect forward secrecy for all communications and comply with the X.509 standard. Without restriction on file size, speed, bandwidth, features, number of accounts, storage or anything else. There will never be advertising on Jami. There will never be advertising on Jami. Latency is reduced and transfer speeds are greatly increased thanks to the direct peer-to-peer connection. Users who are on the same local network can communicate with Jami even if they are disconnected from the internet. -
28
Tox
Tox
Whether it's corporations or governments, digital surveillance today is widespread. Tox is easy-to-use software that connects you with friends and family without anyone else listening in. While other big-name services require you to pay for features, Tox is completely free and comes without advertising — forever. Chat instantly across the globe with Tox's secure messages. Keep in touch with friends and family using Tox's completely free and encrypted voice calls. Catch up face to face, over Tox's secure video calls. Share your desktop with your friends with Tox's screen sharing. Trade files, with no artificial limits or caps. Chat, call, and share video and files with the whole gang in Tox's group chats. -
29
bitchat
bitchat
bitchat is a decentralized peer-to-peer messaging app that operates over Bluetooth mesh networks, requiring no internet, servers, or phone numbers. It offers end-to-end encryption for private messages and channels using modern cryptographic protocols to ensure security and privacy. Users can join or create topic-based channels, send private messages, and communicate without accounts or persistent identifiers. The app supports offline message delivery with store-and-forward functionality and includes privacy features like cover traffic and emergency data wipe. With native support for iOS and macOS, bitchat is designed for secure, private communication in local environments. Its optimized performance includes message compression, adaptive battery modes, and efficient networking to extend usability.Starting Price: Free -
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LINE
Naver
Free Messaging Whenever, Wherever. Send free one-on-one and group texts to your friends anytime, anywhere! LINE is available for a variety of smartphone devices (iPhone, Android, Windows Phone, BlackBerry, and Nokia) and even your PC. Free Voice & Video Calls. Call friends and family as often as you want, for as long as you want. Free international voice and video calls make it easy to stay connected. Currently available for iPhone, iPad, Android, Windows Phone, PC (Windows and Mac), and LINE Lite on Android. Share exactly how you’re feeling by choosing from over 10,000 stickers and emoticons! Visit the Sticker Shop to discover original stickers of your favorite characters and celebrities. LINE NEWS is the most popular news content curation service in Asia and aims to deliver valuable content that enrich your everyday life. Receive medical consultations at home when you don't have time to visit a hospital or want to avoid the crowd. -
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Beeper
Beeper
Beeper unifies all your messaging apps—like WhatsApp, iMessage, Instagram, Telegram, Slack, and more—into one secure inbox. It lets you send, read, and organize conversations across multiple services and devices without switching apps. Messages sync seamlessly between Android, iPhone, Windows, macOS, and Linux, ensuring your chats are always up to date. Built with privacy in mind, Beeper supports on-device connections, so your data stays on your hardware and never passes through unnecessary servers. Power users can manage reminders, schedule messages, and streamline workflows for professional communication. With its simple interface and advanced features, Beeper makes chatting across platforms effortless and efficient.Starting Price: Free -
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Facebook Messenger
Meta
Turn conversation into customer loyalty with Messenger. Messenger helps you simplify customer acquisition by providing a direct, conversational way for people to take action where they already spend their time. Building a presence on Messenger allows people to browse your products and services, and purchase them directly in the conversation. Building an experience on Messenger can help get your business, product or service in front of more people. Whether you’re launching a new product or driving awareness, conversation creates a meaningful connection with your business. Integrating Messenger into a customer service strategy allows customers to communicate with your business on their terms. No more waiting on hold or keeping website windows open. And the conversation stays in Messenger, an easily accessible spot for questions and re-engagement. -
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SalaX Secure Messaging is a super secure application for real-time communications over encrypted chats, and audio and video calls. Build your own authorized channels for compliance and record-keeping. SalaX Secure Messaging solution is developed by SSH Communications Security, using both the Element communications platform and the decentralized Matrix open standard for secure and interoperable communications. Communicate within and outside your organization in real time over chat as well as audio and video calls. Invite and connect with third-party organizations, regardless of the communication tool(s) they use. Keep your sensitive data secure even when communicating externally. Secure Messaging can be flexibly deployed in the cloud or on-premises, depending on your organization's data sovereignty needs and industry regulations. Using a self-hosted server, you maintain full control over all messages and shared files.Starting Price: Free
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34
MsgSafe.io
MsgSafe.io
Instantly create as many email addresses as you need - each associated with their own group of contacts. Share addresses with anyone, but keep your real email address private. Stop telecom companies, governments, and hackers from seeing with whom you communicate. Each virtual mailbox is automatically set up with 4096-bit GPG and S/MIME encryption keys and certificates. All email stored at MsgSafe-io is encrypted. You can manage the encryption profile for each contact you communicate with. Protect your entire family or organization by managing all identities and email addresses with the domain you already own. If you don’t own a domain, you can use our domain registration services to purchase a domain integrated with MsgSafe-io and privacy protection. You don’t trust FaceTime, Skype, Duo, Hangouts and similar services hosted by companies like Apple, Microsoft and Google? Try our secure and private audio and video services. You can invite people to call you from a browser link.Starting Price: $5 per month -
35
Silence
Silence
Silence (formerly SMSSecure) is a full replacement for the default text messaging application: all messages are encrypted locally and messages to other Silence users are encrypted over the air. Silence works like any other SMS application. There’s nothing to sign up for and no new service your friends need to join. Silence communicates using encrypted SMS messages. No servers or internet connection required. Silence provides end-to-end encryption for your messages using the painstakingly engineered Signal encryption protocol. All messages are encrypted locally, so if your phone is lost or stolen, your messages are protected. -
36
Majik Message
Majikah Information Technology Solutions
Majik Message is a private post-quantum secure messaging platform that demonstrates the power of the Majik Key. Majik Message uses cryptographic identity instead of emails or phone numbers. Accounts are derived from a 12-word seed phrase, generating X25519 and ML-KEM-768 post-quantum keypairs. Messages are encrypted end-to-end with hybrid cryptography (ML-KEM-768 + X25519 + AES-256-GCM) and private keys secured via Argon2id. Offline, users can encrypt/decrypt portable ~*$MJKMSG: strings for any channel. Real-time chats support expiring messages, groups up to 25, GIFs, and emoji reactions. Threads provide tamper-proof, auditable chains with collaborative deletion. Multi-account and cross-platform support includes a Chrome extension and local contact directory. Ideal for professionals and privacy-conscious users needing mathematically guaranteed security.Starting Price: $0 -
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Briar
Briar
Briar is a messaging app designed for activists, journalists, and anyone else who needs a safe, easy and robust way to communicate. Unlike traditional messaging apps, Briar doesn’t rely on a central server - messages are synchronized directly between the users’ devices. If the internet’s down, Briar can sync via Bluetooth or Wi-Fi, keeping the information flowing in a crisis. If the internet’s up, Briar can sync via the Tor network, protecting users and their relationships from surveillance. Briar uses the Tor network to prevent eavesdroppers from learning which users are talking to each other. Each user’s contact list is encrypted and stored on her own device. All communication between devices is encrypted end-to-end, protecting the content from eavesdropping or tampering. -
38
Simplex 3D
Simplex 3D
Simplex 3D is a high-resolution 3D reality-planning platform designed to help professionals visualize, plan, and build within accurate urban and infrastructural contexts. It provides seamless 360° navigation through cityscapes at up to 3 cm-per-pixel resolution, layering integrated data (zoning, transportation, financial, infrastructure) for comprehensive situational awareness. Users can import detailed architectural CAD or BIM models (such as from Revit or SketchUp), draft new structures, run “what-if” scenarios for height, shadows, and visibility, and evaluate designs within real-world surroundings. A complete collaboration workspace enables project stakeholders to share views, bookmarks, comments, and presentations in one unified environment, streamlining approval workflows and reducing misalignment. With engineering-grade measurement tools, split-screen past-vs-future views, and real-time data layers, Simplex 3D eliminates guesswork and supports data-driven decisions. -
39
Confide
Confide
Confide uses industry-standard end-to-end encryption to keep your messages safe and to ensure they can only be read by the intended recipients. Messages disappear forever after they are read once, making them as private and secure as the spoken word. Confide’s patented ScreenShield technology keeps your communication safe by preventing screenshots of your messages. Confide utilizes industry-standard cryptography to keep your messages safe and secure. We combine this with a simple and intuitive user experience to provide superior security, with no configuration required. All messages between Confide users are end-to-end encrypted. Encryption keys are generated locally on each device and the private key never leaves the device, ensuring that only the intended recipients can read your messages. All communication goes through Transport Layer Security (TLS), preventing any possible man-in-the-middle attack and providing yet another layer of security, privacy, and data integrity.Starting Price: $4.99 per user per month -
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Sunbird
Sunbird
No complicated or complex technical workarounds. No need to own any Apple products. The Sunbird app is fully encrypted while SMS text messages are not. The Sunbird servers do not store user data promoting a safe, secure, and private messaging environment. With end-to-end encrypted, confidential messaging, Sunbird is fully secure and completely private. By adding encryption between Android and iMessage where there currently is none, Sunbird is the first of its kind to give a unified and safe messaging experience to Android users. Sunbird takes less than a minute to set up and less than 5 minutes to add iMessage on Android. -
41
Viber
Viber Media
Communities on Viber bring people together — Take part in a conversation on any topic you’re passionate about. Our mission is to protect your privacy so that you never have to think twice about what you can or can't share when you're using Viber. Family meeting, group hangout, or yoga class—everything can happen on group chat, video, or voice calls. Take back what you didn't mean to send— from all members of the chat. Be part of public groups with people who share your same passions—from brands to influencers. Communities are the new social and the best way to bring people together. Think group chat, only with unlimited members, more admin control and new conversation features. Call any landline or mobile number in the world, even if they don't have Viber. Buy a Viber Out subscription and start calling! -
42
VioTalk
VIOTALK
Record Free Video Messages without using device memory from any IOS device, including iPad, on any network. All you need is 3G or WiFi and you can connect with other VioTalk users anywhere! Simply Record & share Video message and send to your friends and family to any VioTalk contact directly. Record and Share video message social media with your friends and family and also as text message & email. Never miss a Video message VioTalk notifies unread messages for each user. Automatically finds the contact of VioTalk user from your device. Talk to friends and family by just sharing event id by text message, email or any social share start instant and quality live streaming. Experience power of quality Video communication through VioTalk makes the most out of video messaging with cloud recording no need to think about memory shortage. -
43
Handcent Next SMS
Handcent
The best replacement android text messaging app for your stock SMS text messenger app. Also a good replacement for Go SMS pro. The best messenger app with free text message & message stickers. Handcent is not only a SMS messenger & texting app pioneer but also a message customizer in the SMS messaging app. Have a great free texting & messaging experience is our top priority. Change nice themes in our free and simple texting & messaging app. It’s the best message customizer with which you can personalize text messages (free mms), message fonts, stickers, colors, ringtones, LED colors, vibration patterns, etc. The theme store in the messenger offers additional themes for you to choose from. MMS is fast and stable, can receive all kinds of MMS messages. We also can also share full-size multimedia with MMS plus. -
44
Messagenius
Messagenius
MESSAGENIUS - SECURE ENTERPRISE MESSAGING Messagenius is the enterprise messaging for secure, smart and integrated communications among colleagues: - Runs on your own private servers/clouds; - Enhances productivity with dedicated features; - Integrates into any software in use; - Gets 100% customisable and comes in white-label by default. COMPETITIVE ADVANTAGES Messagenius has 3 main competitive advantages in comparison with the mainstream messaging apps (WhatsApp, Slack, Skype, etc.): 1. SECURITY, DATA OWNERSHIP & COMPLIANCE - It runs on the customer’s private servers (on-premises/private-cloud). 2. PRODUCTIVITY - UX and UI are 100% customizable, up to white label. 3. INTEGRATION - It integrates into and with any software in use. TECHNOLOGY Messagenius is available for Android, iOS, web & desktop as: stand-alone messaging app, branded and customised in white label; add-on messaging feature, integrated into other software via SDK.Starting Price: $8 per user per month -
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Sphinx
Sphinx
Decentralize social media, and take back your data. End to end encrypted chat with no central server using the bitcoin lightning network. Pay your favorite content creators with bitcoin. Buy using bitcoin on lightning. Sphinx lets you talk and pay. Consume your content without big brother watching. All messages are sent encrypted over the lightning network. There are no central servers to collect your private data. No one can remove you from the network. You can send bitcoin over lightning instantly to anyone in the world. Pick the right node for you and install the Sphinx app in few simple steps. Invite new users, and connect with existing ones. Send and receive satoshis, instantly and with a smile!Starting Price: $2 one-time -
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Symphony
Symphony Communication
Symphony Communication has 4 interconnected platforms; Messaging, Voice, Directory, Analytics. The software is designed for the financial services industry. Symphony Messaging is an internal & external workplace chat app. The Federation feature enables off-channel messaging over WhatsApp, SMS, WeChat, and LINE, in compliance with financial industry requirements. The desktop and mobile app enables flexible working. Symphony Voice is the voice communication platform made for global finance. This includes the Cloud9 trader voice product which connects traders and trader-adjacent teams. The award-winning wireless turret phone alternative offers seamless deployment, rich features, in a fully cloud-native software as a service. The interconnected Symphony Directory feature enables you to search, find and contact financial counterparties in seconds. Symphony is trusted by over ½ millions users and 1,000 institutions, including 10/10 of the world's largest investment banks. -
47
Google Hangouts
Google
Use Hangouts to keep in touch. Message contacts, start free video or voice calls, and hop on a conversation with one person or a group. Include all your contacts with group chats for up to 150 people. Say more with status messages, photos, videos, maps, emoji, stickers, and animated GIFs. Turn any conversation into a free group video call with up to 10 contacts. Call any phone number in the world (and all calls to other Hangouts users are free!). Connect your Google Voice account for phone calling, SMS texting, and voicemail integration. Keep in touch with contacts across Android, iOS, and the web, and sync chats across all your devices. Message contacts anytime, even if they’re offline. -
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Saysimple
Saysimple
Meet Your New Customer Communications Platform Introducing a single platform that allows you to communicate with customers via any channel. Enjoy closer collaboration, effective workflows and more satisfied customers. Collaborate more efficiently by using a central hub for all incoming messages. Be more accessible, more flexible and build better workflows across WhatsApp Business, Messenger, Livechat, Apple Business Chat and email. Platform: ✓ Multichannel Inbox ✓ Analytics & Insights Channels & features: ✓ WhatsApp Business API ✓ Social Messaging ✓ Outbound Messaging ✓ Livechat ✓ Chat widget ✓ Teams module ✓ Smart routing ✓ Call deflection ✓ Tag & label management ✓ User management ✓ Contact managementStarting Price: €15 per user per month -
49
Nicegram
Nicegram
Discover the ultimate Telegram client, Nicegram! Elevate your messaging with a secure, AI-enhanced app that brings advanced features to your fingertips. Enjoy top-notch privacy with Telegram's encryption, manage multiple accounts with ease, and let our AI assistant optimize your communication. Features include: – Unlimited Accounts: Keep personal and professional chats separate. – AI Assistance: Smart suggestions, text & image generation, and equation solutions. – User Identity Management: Customize your online presence with unique privacy tools. – Advanced Text Features: Quick replies, built-in translator, instant forwarding, and more for a personalized experience. – Bulk Actions: Efficiently manage messages with options to archive, delete, or forward in bulk. Join a cross-cultural community, participate in discussions, and shape the future of messaging. Unlock premium tools with simple in-app purchases. Download Nicegram now for an unmatched messaging experience! -
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Nextcloud Talk
Nextcloud
Meetings with colleagues, customers and partners - have a personal conversation with one click. Keep conversations private with Nextcloud Talk. Nextcloud talk protects your communication better than other team collaboration platforms like Microsoft Teams or Slack, making sure your data stays on your servers. Nextcloud Talk goes further than other encrypted communication technologies by keeping even metadata from leaking. This ensures you stay in complete control of communications. When SCM was looking for a simple, secure and well designed messenger platform that could be hosted on-premises, a decision was made for Nextcloud Talk. A Professional Services project from Nextcloud GmbH provided several features SCM required and today, the legal, human resource, financial and PR experts of SCM can easily communicate and collaborate during their business trips.Starting Price: $6.6 per user per month
