C Networking Software

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Browse free open source C Networking Software and projects below. Use the toggles on the left to filter open source C Networking Software by OS, license, language, programming language, and project status.

  • Simply solve complex auth. Easy for devs to set up. Easy for non-devs to use. Icon
    Simply solve complex auth. Easy for devs to set up. Easy for non-devs to use.

    Transform user access with Frontegg CIAM: login box, SSO, MFA, multi-tenancy, and 99.99% uptime.

    Custom auth drains 25% of dev time and risks 62% more breaches, stalling enterprise deals. Frontegg platform delivers a simple login box, seamless authentication (SSO, MFA, passwordless), robust multi-tenancy, and a customizable Admin Portal. Integrate fast with the React SDK, meet compliance needs, and focus on innovation.
    Start for Free
  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

    Deploy in 115+ regions with the modern database for every enterprise.

    MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
    Start Free
  • 1
    ImmortalWrt

    ImmortalWrt

    An opensource OpenWrt variant for mainland China users.

    ImmortalWrt is a fork of OpenWrt, with more packages ported, more devices supported, better performance, and special optimizations for mainland China users. Compared the official one, we allow to use hacks or non-upstreamable patches / modifications to achieve our purpose. Source from anywhere. Default login address: http://192.168.1.1 or http://immortalwrt.lan, username: root, password: none.
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    Downloads: 436,897 This Week
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  • 2

    AutoAP

    A script to find open Wi-Fi connections and the strongest signal

    AutoAP is a script that continuously scans for open Wi-Fi connections, tests them for validity, and connects to the strongest signal. If the connection is lost, the script scans again and finds the strongest valid signal again, and maintains a continuous connection to the internet in a mobile or portable environment. The script paremeters are highly configurable, including ability to configure secure connections. AutoAP is an add on to DD-WRT that allows routers to continuously scan for and connect to open (and predefined WEP) wireless networks. Ultimately the goal is to develop an easily deployable firmware that facilitates fast and easy mesh network creation. Typically, you would use this script on your router while in Repeater Mode, Client Mode, or Client-Bridged Mode.
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    Downloads: 96,268 This Week
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  • 3
    net-snmp
    Net-SNMP provides tools and libraries relating to the Simple Network Management Protocol including: An extensible agent, an SNMP library, tools to request or set information from SNMP agents, tools to generate and handle SNMP traps, etc.
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    Downloads: 20,857 This Week
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  • 4
    Comgt is a command line tool for controlling, configuring and interacting with Option Wireless 3G and 2G ( HSDPA, UMTS, EDGE, GPRS, GSM) data devices within the Linux environment.
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    Downloads: 23,972 This Week
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  • Sales CRM and Pipeline Management Software | Pipedrive Icon
    Sales CRM and Pipeline Management Software | Pipedrive

    The easy and effective CRM for closing deals

    Pipedrive’s simple interface empowers salespeople to streamline workflows and unite sales tasks in one workspace. Unlock instant sales insights with Pipedrive’s visual sales pipeline and fine-tune your strategy with robust reporting features and a personalized AI Sales Assistant.
    Try it for free
  • 5
    Drivers and tools to support ATM networking under Linux. Eventually this will also include support for some types of DSL modems.
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    Downloads: 47,535 This Week
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  • 6
    GNS3

    GNS3

    An advanced network simulator to design and configure virtual networks

    Build, Design and Test your network in a risk-free virtual environment and access the largest networking community to help. Whether you are studying for your first networking exam or building out a state-wide telecommunications network, GNS3 offers an easy way to design and build networks of any size without the need for hardware.
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    Downloads: 4,480 This Week
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  • 7
    The rpcbind utility is a server that converts RPC program numbers into universal addresses.: The upstream git tree is at: git://linux-nfs.org/~steved/rpcbind
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    Downloads: 14,306 This Week
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  • 8
    Zero Install
    Zero Install is a decentralised cross-distribution software installation system. Create one package that works everywhere! With dependency handling and automatic updates, full support for shared libraries, and integration with native package managers
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    Downloads: 1,787 This Week
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  • 9
    Pandora FMS: Flexible Monitoring System

    Pandora FMS: Flexible Monitoring System

    Open Source Monitoring System for performance and availability.

    Pandora FMS is an enterprise-ready monitoring solution that provides unparalleled flexibility for IT to address both immediate and unforeseen operational issues, including infrastructure and IT processes. It uniquely enables business and IT to adapt to changing needs through a flexible and rapid approach to IT and business deployment. Pandora FMS consolidates all the needs of modern monitoring (ITOM, APM, BAM) and provides status and performance metrics from different operating systems, cloud, virtual infrastructure (VMware, Hyper-V, XEN), Docker containers, applications, storage and hardware devices such as firewalls, proxies, databases, web servers or routers. It's highly scalable (up to 2000 nodes with one single server), 100% web and with multi-tenant capabilities. It has a very flexible ACL system and several different graphical reports and user-defined control screens.
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    Downloads: 1,687 This Week
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  • Secure remote access solution to your private network, in the cloud or on-prem. Icon
    Secure remote access solution to your private network, in the cloud or on-prem.

    Deliver secure remote access with OpenVPN.

    OpenVPN is here to bring simple, flexible, and cost-effective secure remote access to companies of all sizes, regardless of where their resources are located.
    Get started — no credit card required.
  • 10
    Smoothwall
    Smoothwall is a best-of-breed Internet firewall/router, designed to run on commodity hardware and to provide an easy-to-use administration interface to those using it. Built using open source and Free software, it's distributed under the GNU Public License.
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    Downloads: 1,783 This Week
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  • 11
    VTun is the easiest way to create Virtual Tunnels over TCP/IP networks with traffic shaping, compression, and encryption. It supports IP, Ethernet, PPP and other tunnel types. VTun is easily and highly configurable. VPN, Mobile IP, Shaping, etc
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    Downloads: 3,659 This Week
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  • 12

    The GNU netcat

    The networking swiss army knife

    A rewrite of the well-known networking tool, but more portable, with new features and fully GNU compliant.
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    Downloads: 6,492 This Week
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  • 13

    Formerly Intel Ethernet Drivers

    Moved to github.com/intel

    Notice! Effective August 16, 2024, Intel will no longer use Sourceforge to distribute software for Ethernet products. ==================== Please refer to our GitHub location for future software updates here: https://intel.github.io/ethernet-linux/
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    Downloads: 872 This Week
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  • 14
    Iometer
    I/O performance Analysis Tool
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    Downloads: 700 This Week
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  • 15

    UFTP

    Encrypted UDP based FTP with multicast

    UFTP is an encrypted multicast file transfer program, designed to securely, reliably, and efficiently transfer files to multiple receivers simultaneously. This is useful for distributing large files to a large number of receivers, and is especially useful for data distribution over a satellite link (with two way communication), where the inherent delay makes any TCP based communication highly inefficient. The multicast encryption scheme is based on TLS with extensions to allow multiple receivers to share a common key. UFTP also has the capability to communicate over disjoint networks separated by one or more firewalls (NAT traversal) and without full end-to-end multicast capability (multicast tunneling) through the use of a UFTP proxy server. These proxies also provide scalability by aggregating responses from a group of receivers.
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    Downloads: 1,166 This Week
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  • 16
    s3cmd

    s3cmd

    Command line tool for managing Amazon S3 and CloudFront services

    Open-source tool to access Amazon S3 file storage. S3cmd is a free command line tool and client for uploading, retrieving and managing data in Amazon S3 and other cloud storage service providers that use the S3 protocol, such as Google Cloud Storage. Lots of features and options have been added to s3cmd since its very first release in 2008.... we recently counted more than 60 command line options, including multipart uploads, encryption, incremental backup, s3 sync, ACL and Metadata management, S3 bucket size, bucket policies, and more!
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    Downloads: 1,012 This Week
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  • 17
    PNP4Nagios
    PNP is an addon for the Nagios Network Monitoring System. PNP provides easy to use, easy to configure RRDTools based performance charts feeded by the performance data output of the Nagios Plugins.
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    Downloads: 843 This Week
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  • 18
    MultiThreaded TFTP Server Open Source Freeware Windows/Unix for PXEBOOT, firmware load, support tsize, blksize, timeout Server Port Ranges, Block Number Rollover for Large Files. Runs as Service/daemon. Single Port version also available. Download
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    Downloads: 644 This Week
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  • 19
    lmbench is a suite of simple, portable, ANSI/C microbenchmarks for UNIX/POSIX. In general, it measures two key features: latency and bandwidth. lmbench is intended to give system developers insight into basic costs of key operations.
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    Downloads: 3,319 This Week
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  • 20
    Poptop is an open source implementation of a PPTP server. Running under x86 or embedded Motorola ColdFire architectures Poptop provides full interoperability with the Microsoft PPTP VPN client.
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    Downloads: 875 This Week
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  • 21
    Cntlm is an NTLM / NTLMv2 authenticating HTTP/1.1 proxy. It caches auth'd connections for reuse, offers TCP/IP tunneling (port forwarding) thru parent proxy and much much more. It's in C, very fast and resource-efficient. Go to http://cntlm.sf.net/
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    Downloads: 530 This Week
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  • 22
    VoIP monitor

    VoIP monitor

    VoIP SIP and SKINNY quality analyzer and packet / audio recording tool

    VoIPmonitor is open source network packet sniffer with commercial frontend for SIP SKINNY MGCP RTP and RTCP VoIP protocols running on linux. VoIPmonitor is designed to analyze quality of VoIP call based on network parameters - delay variation and packet loss according to ITU-T G.107 E-model which predicts quality on MOS scale. Calls with all relevant statistics are saved to MySQL or ODBC database. Optionally each call can be saved to pcap file with either only SIP / SKINNY protocol or SIP/RTP/RTCP/T.38/udptl protocols. VoIPmonitor can also decode audio.
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    Downloads: 500 This Week
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  • 23

    Privoxy

    HTTP proxy to block ads and customize webpages

    Privoxy is a non-caching web proxy with advanced filtering capabilities for enhancing privacy, modifying web page data and HTTP headers, controlling access, and removing ads and other obnoxious Internet junk. Privoxy has a flexible configuration and can be customized to suit individual needs and tastes. It has application for both stand-alone systems and multi-user networks.
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    Downloads: 470 This Week
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  • 24
    # OBSOLETE The project has moved to CodeBerg at https://codeberg.org/IPMITool/ipmitool IPMItool provides a simple command-line interface to IPMI-enabled devices through an IPMIv1.5 or IPMIv2.0 LAN interface or Linux/Solaris kernel driver.
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    Downloads: 953 This Week
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  • 25

    IPMI Management Utilities

    Manage and interpret IPMI systems with common a software tool

    ipmiutil is an easy to use set of IPMI server management utilities. It can get/set sensor readings & thresholds, automate SEL management, do SOL console, etc. Supports Linux, Windows, BSD, Solaris, MacOSX. The only IPMI project tool that runs natively on Windows. See ipmiutil.sf.net for rpms, etc. (formerly called panicsel). It can run driverless in Linux for use on boot media or embedded environments.
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    Downloads: 687 This Week
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