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2177 projectsOpen issue counts include all open issues, not only beginner tasks. Metadata is a snapshot; external hosts and unavailable repositories may have no GitHub data.
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catboost/catboost
Read the project README and contribution instructions at its original source.
CatchTheTornado/askql
AskQL is a new query language that can express any data request using fully functional programs
CatimaLoyalty/Android
A Loyalty Card & Ticket Manager for Android
caura-ai/caura
Governed shared memory for AI agent fleets — multi-agent, multi-tenant, MCP-native. Trust tiers, keystone policies, audit trails, knowledge graph, self-improving retrieval. Apache 2.0.
caura-ai/caura-build-fleet
A 5-agent pipeline (Frontend → Performance → SEO → Code Review → Manager) that uses the Caura MCP server as shared memory, letting agents recall, write, and audit decisions across the fleet.
caura-ai/caura-cross-fleet-gov
A multi-agent governance demo showing Caura (formerly MemClaw) enforcing fleet-scoped memory boundaries across three OpenClaw agents (sales, legal, admin) sharing one memory backend
caura-ai/caura-long-run-fleet
A reference implementation showing how Caura (open-source multi-agent memory for AI agent fleets) manages shared memory across a continuously running fleet of three agents over 14 simulated days, with automatic contradiction resolution and governed recall.
causiq/logary
Logary is a high performance, multi-target logging, metric and health-check library for mono and .Net. Targets include: textwriter, console, debugger, nlog, zipkin, nimrod, riemann, logstash, sqlite, sql server, graphite. Adapters for: suave.
cdnjs/cdnjs
The most famous free and open source web front-end libraries cdn
cedsic/pyai-content
Open-source repository containing structured Python and AI knowledge for the Py.AI website.
Cefalo/quick-meet
Tailored for organizations, a simple tool that can enhance productivity by minimizing the time spent finding and securing meeting rooms in google calendar
centerofci/mathesar
Read the project README and contribution instructions at its original source.
Centos
A community-driven free software effort focused on delivering a robust open source ecosystem.
certbot/certbot
Read the project README and contribution instructions at its original source.
CesiumGS/cesium
Read the project README and contribution instructions at its original source.
CFEngine
The Original Configuration Management System
chakra-core/ChakraCore
ChakraCore is the core part of the Chakra Javascript engine that powers Microsoft Edge
chakra-ui/chakra-ui
⚡️ Simple, Modular & Accessible UI Components for your React Applications
chaos-mesh/chaos-mesh
Read the project README and contribution instructions at its original source.
chapel-lang/chapel
Read the project README and contribution instructions at its original source.
char0n/ramda-adjunct
Ramda Adjunct is the most popular and most comprehensive set of functional utilities for use with Ramda, providing a variety of useful, well tested functions with excellent documentation.
Charcoal-SE/metasmoke
Web dashboard and back end for SmokeDetector, a spam-detecting bot for Stack Overflow / Stack Exchange
Charcoal-SE/SmokeDetector
Community-maintained bot to detect spam on Stack Exchange and get it deleted
chatwoot/chatwoot
Read the project README and contribution instructions at its original source.
chavi362/Icy-Tower
An interactive Icy Tower Game built with Java Script, html, and CSS
Cherrytree56567/PSEMU
An experimental PS1 Emulator made in c++ 20
ChilliRoger/Breath-Elivator
Breath-Elivator is a web-based application designed to help users improve their breathing capacity through interactive,guided sessions with a soothing and modern interface.
Chocobozzz/PeerTube
Read the project README and contribution instructions at its original source.
chocolatey/choco
Chocolatey - like yum or apt-get, but for Windows
chocolatey/ChocolateyGUI
A GUI interface for using Chocolatey
choraria/gas-url-shortener
A URL Shortening service powered by Google Apps Script
choraria/pptr-io
A free and open-source api that runs puppeteer as a service
chriskthomas/linkfree-generator
A form to generate your own self-hosted linktree
ChrisMissal/Formo
Formo allows you to use your configuration file as a dynamic object. Turn your web.config or application settings into a rich, dynamic object.
cieslarmichal/faker-cxx
Faker library for generating fake (but realistic) data
CircuitVerse/CircuitVerse
CircuitVerse is a free, open-source platform which allows users to construct digital logic circuits online. We also offer the Interactive Book which teaches users on the fundamentals of modern, digital circuits.
citiususc/hipster
Hipster4j is a lightweight and powerful heuristic Java search library. It contains common, fully customizable algorithms such as Dijkstra, A* (A-Star), DFS, BFS, Bellman-Ford and more.
City-Bureau/city-scrapers
Scrape public meetings to increase access and transparency around local government.
CiviWiki/OpenCiviWiki
Building a Better Democracy for the Internet Age
ckb-next/ckb-next
Read the project README and contribution instructions at its original source.
ckeditor/ckeditor4
Read the project README and contribution instructions at its original source.
clab/dynet
Read the project README and contribution instructions at its original source.
clarvia-org/clarvia-graph
Free, multilingual bereavement compliance checklist for families in Europe. Open-source data and web service.
CleverRaven/Cataclysm-DDA
Read the project README and contribution instructions at its original source.
ClickHouse/ClickHouse
Column-oriented database management system that allows generating analytical data reports in real time.
clojure-emacs/cider
Read the project README and contribution instructions at its original source.
Cloud-CV/EvalAI
EvalAI is an open source web application that helps researchers, students and data-scientists to create, collaborate and participate in various AI challenges organized round the globe.
cobrateam/splinter
Read the project README and contribution instructions at its original source.
cockroachdb/cockroach
Read the project README and contribution instructions at its original source.
cocoindex-io/cocoindex
High performance Data framework for AI, optimized for data freshness
code-cracker/code-cracker
An analyzer library for C# that uses Roslyn to produce refactorings, code analysis, and other niceties.
Code4SocialGood/c4sg-web
Code for Social Good is a global platform to connect nonprofits and open source developers with technical volunteers.
Code52/DownmarkerWPF
A visual Markdown editor (inspired by the Downmarker project)
codeaashu/DevDisplay
DevDisplay is the First Global Platform for Developers to Fulfill All Their Tech Needs. A paradise for developers, where they can Connect ▸ Collab ▸ Code ▸ Create ▸ Conquer — all in one place.
Codealike/arrayslice
ArraySlice allows to build shared memory array views without performance impact (a replacement for ArraySegment<T>). It uses IL manipulation to achieve the fastest implementation.
codeintegrity-ai/mutahunter
Using LLM agents to find and fix vulnerabilities in codebases.
codenameone/CodenameOne
Cross-platform mobile app development framework for Java & Kotlin developers
coder/code-server
Read the project README and contribution instructions at its original source.
coder/coder
Read the project README and contribution instructions at its original source.
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