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

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  • 1
    The portable Universal Plug and Play (UPnP) SDK provides support for building UPnP-compliant control points, devices, and bridges on several operating systems. The main repository is at GitHub in https://github.com/pupnp/pupnp. This is just a clone repository for legacy reasons. Old SourceForge repo: git://pupnp.git.sourceforge.net/gitroot/pupnp/pupnp
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    Downloads: 3,337 This Week
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  • 2
    a POSIX-C implementation of the http://oauth.net/ protocol. libOauth provides functionality to encode URLs and sign HTTP request data according to the oAuth standard.
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    Downloads: 3,267 This Week
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  • 3
    Mongoose Embedded Web Server

    Mongoose Embedded Web Server

    An embedded web server

    Mongoose is a networking library for C/C++. It implements event-driven non-blocking APIs for TCP, UDP, HTTP, WebSocket, MQTT. It is designed for connecting devices and bringing them online. On the market since 2004, used by vast number of open source and commercial products - it even runs on the International Space Station! Mongoose makes embedded network programming fast, robust, and easy. Cross-platform, works on Linux/UNIX, MacOS, Windows, Android, FreeRTOS, etc. Supported embedded architectures: ESP32, NRF52, STM32, NXP, and more. Built-in protocols: plain TCP/UDP, HTTP, MQTT, Websocket. SSL/TLS support: mbedTLS, OpenSSL or custom (via API). Used to solve a wide range of business needs, like implementing Web UI interface on devices, RESTful API services, telemetry data exchange, remote control for a product, remote software updates, remote monitoring, and others.
    Downloads: 12 This Week
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  • 4
    OpenResty

    OpenResty

    High Performance Web Platform Based on Nginx and LuaJIT

    OpenResty is a full-fledged web application server that extends Nginx by seamlessly embedding LuaJIT, bundled Nginx core, numerous third-party modules, and Lua libraries—creating a powerful platform for scalable web services, APIs, and gateways. An extensive ecosystem of Lua libraries and third-party Nginx modules that interoperate cohesively. Supports scripting of SSL, process control, regex, pipes, and logging via Lua APIs. Well-supported documentation, Docker tooling, and commercial support options.
    Downloads: 9 This Week
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  • Auth0 B2B Essentials: SSO, MFA, and RBAC Built In Icon
    Auth0 B2B Essentials: SSO, MFA, and RBAC Built In

    Unlimited organizations, 3 enterprise SSO connections, role-based access control, and pro MFA included. Dev and prod tenants out of the box.

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  • 5
    Apache Guacamole

    Apache Guacamole

    HTML5 Clientless Remote Desktop

    Apache Guacamole is a clientless remote desktop gateway. It supports standard protocols like VNC, RDP, and SSH. We call it clientless because no plugins or client software are required. Thanks to HTML5, once Guacamole is installed on a server, all you need to access your desktops is a web browser.
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    Downloads: 18 This Week
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  • 6
    Portable and very simple C API functions to write a soap client/server in c.
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    Downloads: 57 This Week
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  • 7
    twemproxy

    twemproxy

    A fast, light-weight proxy for memcached and redis

    twemproxy (pronounced "two-em-proxy"), aka nutcracker is a fast and lightweight proxy for memcached and redis protocol. It was built primarily to reduce the number of connections to the caching servers on the backend. This, together with protocol pipelining and sharding enables you to horizontally scale your distributed caching architecture. Fast and lightweight. Maintains persistent server connections. Keeps connection count on the backend caching servers low. Enables pipelining of requests and responses. Supports proxying to multiple servers. Supports multiple server pools simultaneously. Shard data automatically across multiple servers. Implements the complete memcached ascii and redis protocol. Easy configuration of server pools through a YAML file. Supports multiple hashing modes including consistent hashing and distribution. Can be configured to disable nodes on failures.
    Downloads: 2 This Week
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  • 8
    A web server that runs on the wii
    Downloads: 12 This Week
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  • 9
    FreeRDP is a free remote desktop protocol client that implements RDP following the documentation provided under the Microsoft Open Specification Promise.
    Downloads: 3 This Week
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  • 10

    WendzelNNTPd

    A free Usenet server with SQL backend and RBAC.

    The WendzelNNTPd is a IPv6-ready NNTP usenet-server with the main goal to be as easy to use as possible. It is portable (Linux/*BSD/*nix), supports AUTHINFO authentication, contains ACL as well as role based ACL and supports invisible newsgroups. It currently supports MySQL and SQLite backends.
    Downloads: 6 This Week
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  • 11
    A P2P overlay construction toolkit, which supports routing algorithm researchers in addition to application developers. It provides multiple routing (DHT) algorithms such as Chord, Kademlia, Koorde, Pastry and Tapestry, and a distributed environment emu
    Downloads: 5 This Week
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  • 12
    Orthanc

    Orthanc

    Lightweight, RESTful DICOM server for healthcare and medical research

    [2015-06-12] Orthanc has left SourceForge. All the downloads are now available directly from our official Website: http://www.orthanc-server.com/browse.php
    Downloads: 4 This Week
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  • 13
    Tpl makes it easy to serialize your C data using just a handful of API functions. The data is stored in its native binary form for maximum efficiency. C, Perl and XML supported. Data is portable across CPU types and OS's from Unix to Mac to Windows.
    Downloads: 3 This Week
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  • 14
    XML-Parser Library for BR-Automation PLC

    XML-Parser Library for BR-Automation PLC

    Simple to use XML-Parser/Composer Library for B&R Automation PLC (SPS)

    The Library xmlio is a simple to use non validating XML-Parser/Composer for B&R Industrial-Automation PLC (B&R SPS). It reads and writes Process-Variables including Structures from and to XML-Files. Easy to use: #include <xmlio.h> /* Write Variable to XML-File */ status = xmlWrite(strName, strFile, strDevice, 0); /* Read XML-File into Variables */ status = xmlRead(strFile, strDevice, ignoreUnknown, &line, &character);
    Downloads: 2 This Week
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  • 15
    Permits to manage (create, load and edit) feed files: RSS v2.0 and ATOM v1.0
    Downloads: 2 This Week
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  • 16
    Library, initially written for the ScreenKast program. Provides the necessary logic to capture screen recordings and to process them. Includes a soap-client for the webservice at captorials.com that enables you to share your recordings.
    Downloads: 1 This Week
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  • 17
    AutoHome(Automatic Home Management System) to schedule Television,DVD,and any Infrared based devices(Roboraptor and RoboSapien)to work automatically.Can Send(transmit)/Recieve Remote Control Signals, launch EXE files in Computers/PC .It uses USBUIRT.
    Downloads: 1 This Week
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  • 18
    wsdlpull is an efficient and powerful command line utility for dynamic inspection and invocation of WSDL web services.It provides a C++ library with dynamic WSDL invocation API,WSDL parser,Schema parser and Validator and an xmlpull Parser/Serializer.
    Downloads: 1 This Week
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  • 19
    Yara is a fast, embeddable RSS aggregator and parser. It is written in C++ and exposes a very simple API in C.
    Downloads: 1 This Week
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  • 20
    A portable library for writing web servers and web services in C.
    Downloads: 1 This Week
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  • 21
    A simple console RSS aggregator that sends news items by email.
    Downloads: 0 This Week
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  • 22
    Af-Arch is an Open Source N-tier framework to build distribuited applications. Its license schema allows Open Source and commercial (closed source) applications. This is the foundation to build an new set of applications in a fast and reliable way.
    Downloads: 0 This Week
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  • 23
    libaws is a C++ library that allows to communicate with Amazon Web Services. Currently supported are Amazon S3, SQS, and SDB.
    Downloads: 0 This Week
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  • 24
    Ani-Server is not quite a Full Featured server [ neither it was intended to be] , but its just a simple HTTP Server , Which handle's some HTTP requests and can be further used for File Sharing and Network testing purposes.
    Downloads: 0 This Week
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  • 25
    A C/C++ based client and server implementation of the OGSA Basic Execution Service, used to provide a Web Services interface to distributed resource managers such as Platform LSF and PBS/PBS Pro. The SOAP stack is provided by the gSOAP toolkit.
    Downloads: 0 This Week
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