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

  • Simple, Secure Domain Registration Icon
    Simple, Secure Domain Registration

    Get your domain at wholesale price. Cloudflare offers simple, secure registration with no markups, plus free DNS, CDN, and SSL integration.

    Register or renew your domain and pay only what we pay. No markups, hidden fees, or surprise add-ons. Choose from over 400 TLDs (.com, .ai, .dev). Every domain is integrated with Cloudflare's industry-leading DNS, CDN, and free SSL to make your site faster and more secure. Simple, secure, at-cost domain registration.
    Sign up for free
  • Gen AI apps are built with MongoDB Atlas Icon
    Gen AI apps are built with MongoDB Atlas

    The database for AI-powered applications.

    MongoDB Atlas is the developer-friendly database used to build, scale, and run gen AI and LLM-powered apps—without needing a separate vector database. Atlas offers built-in vector search, global availability across 115+ regions, and flexible document modeling. Start building AI apps faster, all in one place.
    Start Free
  • 1
    Advanced C/C++ library(ACL) for UNIX-like OS and WIN32 OS, including sync/async/ssl iostream for net/file, thread pool, process pool, db pool, server framework, event, memory, string, array/hash/ring/list, xml and json parser, http/smtp/icmp protocol, SSL/TLS, C unit test, etc
    Leader badge
    Downloads: 6 This Week
    Last Update:
    See Project
  • 2
    Eggdrop
    Eggdrop is the most advanced IRC robot available. It has been under development since December 1993, and unlike most other bots, it is still regularly updated.
    Leader badge
    Downloads: 2 This Week
    Last Update:
    See Project
  • 3
    Ccnet is a platform for developing P2P collaboration applications, for example, a decentralized '''google docs'''. It provides basic P2P services such as peer management, group management, message delivery in the form of a daemon processor.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 4
    If you reach this page most likely you are looking for Rodi P2P binary release - check web site rodi.sf.net If you are looking for CLI/FFS/AOS portable C/C++ libraries for RTOS "emLib" package is the way to go
    Downloads: 1 This Week
    Last Update:
    See Project
  • The All-in-One Commerce Platform for Businesses - Shopify Icon
    The All-in-One Commerce Platform for Businesses - Shopify

    Shopify offers plans for anyone that wants to sell products online and build an ecommerce store, small to mid-sized businesses as well as enterprise

    Shopify is a leading all-in-one commerce platform that enables businesses to start, build, and grow their online and physical stores. It offers tools to create customized websites, manage inventory, process payments, and sell across multiple channels including online, in-person, wholesale, and global markets. The platform includes integrated marketing tools, analytics, and customer engagement features to help merchants reach and retain customers. Shopify supports thousands of third-party apps and offers developer-friendly APIs for custom solutions. With world-class checkout technology, Shopify powers over 150 million high-intent shoppers worldwide. Its reliable, scalable infrastructure ensures fast performance and seamless operations at any business size.
    Learn More
  • 5
    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
    Last Update:
    See Project
  • 6
    CallFilter applies rules to incomming Phone Calls. Much like a network firewall.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 7
    Etch is a cross-platform, language- and transport-independent framework for building and consuming network services. With Etch, service development and consumption becomes no more difficult than library development and consumption.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 8
    Gcf is a messaging middleware which provides Asynchronous Communication Framework for distributed apps developement. Distributed Apps developers could use GCF Library functions to build applications with less overhead of knowing system details.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 9
    GNU-Monitor is a transactional monitor that allows client/server applications to be developed with minimal effort. It consists of transaction routing modules that ensure data integrity and recovery on abnormal termination.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Connect every part of your business to one bank account Icon
    Connect every part of your business to one bank account

    North One is a business banking app that integrates cash flow, payments, and budgeting to turn your North One Account into one Connected Bank Account

    North One is proudly built for small businesses, startups and freelancers across America. Make payments easily, keep tabs on your money and put your finances on autopilot through smart integrations with the tools you’re already using. North One was built to make managing money easy so you can focus on running your business. No more branches. No more lines. No more paperwork. Get complete access to your North One Account from your phone or computer, wherever your business takes you. Create Envelopes for taxes, payroll, rent, and anything else automatically.
    Get started for free.
  • 10
    Keychain Framework is an Objective C Foundation-based framework for accessing Keychain and Security services under MacOS X. It provides convenience wrappers around the CDSA library included with MacOS X, facilities for manipulating keychains, and more.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    Linux Shared Library for Parsing Amateur Radio APRS Packets. Also includes basic TCP Connection library
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12
    Open Legacy Storage Document: Generic Document Archiving on Disk and Network(using MINA) Framework in Java for huge number of docs(up to 2^192 documents), efficient(Java NIO), crypto, net transfert, web retrieve, J2EE and eMail archiving compatible.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    REX: Remote EXecution Distributed Computing Services for Linux and Solaris, providing C and C++ APIs, librex library and "rexd" daemon software to implement Load Balancing Process Migration : Dump + Restore, Remote File and Resource Management.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    Application framework for modularizing *nix applications into discretely-purposed components. Resourcerver binds a system of processes together with a local-machine server which facilitates and controls IPC. A primary focus is application security.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    A C library with support for logging, configuration, networking, message specification, semaphores, message queues, SSL, timing, epoll and email functionality.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    XionBot is an IRC bot framework/template coded completely in C. It is meant to be modular for any additions or for reference on how one may construct their own IRC client. Source codes for additional modules are also available.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    C++ lightweight network framework that allows building ultrafast event-driven applications.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    Eggdrop is the most advanced IRC robot available. It has been under development since December 1993, and unlike most other bots, it is still regularly updated.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    RFC 2425 defines a MIME Content-Type for Directory Information. This library contains necessary methods to parse information blocks arranged in such a manner.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • Next