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.

  • 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.
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  • Gen AI apps are built with MongoDB Atlas Icon
    Gen AI apps are built with MongoDB Atlas

    Build gen AI apps with an all-in-one modern database: MongoDB Atlas

    MongoDB Atlas provides built-in vector search and a flexible document model so developers can build, scale, and run gen AI apps without stitching together multiple databases. From LLM integration to semantic search, Atlas simplifies your AI architecture—and it’s free to get started.
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  • 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
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    Downloads: 6 This Week
    Last Update:
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  • 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.
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    Downloads: 2 This Week
    Last Update:
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  • 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
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  • 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:
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  • 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.
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  • 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
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  • 6
    CallFilter applies rules to incomming Phone Calls. Much like a network firewall.
    Downloads: 0 This Week
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  • 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
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  • 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
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  • 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
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  • Enterprise and Small Business CRM Solution | Clear C2 C2CRM Icon
    Enterprise and Small Business CRM Solution | Clear C2 C2CRM

    Voted Best CRM System with Top Ranked Customer Support. CRM Management includes Sales, Marketing, Relationship Management, and Help Desk.

    C2CRM consists of four modules that integrate to provide a comprehensive CRM solution: Relationship Management, Sales Automation, Marketing Automation, and Customer Service. Only buy what each user needs.
    Learn More
  • 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
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  • 11
    Linux Shared Library for Parsing Amateur Radio APRS Packets. Also includes basic TCP Connection library
    Downloads: 0 This Week
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  • 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
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  • 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
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  • 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
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  • 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
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  • 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
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  • 17
    C++ lightweight network framework that allows building ultrafast event-driven applications.
    Downloads: 0 This Week
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  • 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
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