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🧊 Open source LLM observability platform. One line of code to monitor, evaluate, and experiment. YC W23 🍓

Self-hosted control plane for AI agents: dispatch tasks, review runs, track spend, and operate OpenClaw, Claude Code, Codex, and other runtimes.

Next-generation AI Agent Optimization Platform: Cozeloop addresses challenges in AI agent development by providing full-lifecycle management capabilities from development, debugging, and evaluation to monitoring.

TagSpaces is an offline, open source, document manager with tagging support

Powerful, mature open-source cross-platform game engine for Python and C++, developed by Disney and CMU

MediaCMS is a modern, fully featured open source video and media CMS, written in Python/Django and React, featuring a REST API.

FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a versatile software implementation that runs on any commodity hardware. From a Raspberry PI to a multi-core server, FreeSWITCH can unlock the telecommunications potential of any device.

Open-source, cross-platform, C++ game engine for creating 2D/3D games.

AutoRAG: An Open-Source Framework for Retrieval-Augmented Generation (RAG) Evaluation & Optimization with AutoML-Style Automation

zig game engine & graphics toolkit - mirror of https://code.hexops.com/hexops/mach

AG2 (formerly AutoGen): The Open-Source AgentOS.Join us at: https://discord.gg/sNGSwQME3x

Free Accounting Software

Game engine

Command and Conquer: Generals - Zero Hour

Ant Media Server — Ultra-low latency streaming engine with WebRTC (~0.5s), SRT, RTMP, HLS, CMAF, adaptive bitrate, transcoding & scaling

🚀 Self-hosted open-source WebRTC video conferencing platform built on peer-to-peer (P2P) architecture for fast, secure real-time communication with end-to-end privacy.

Webots Robot Simulator

DeepAnalyze is the first agentic LLM for autonomous data science. 🎈你的AI数据分析师，自动分析大量数据，一键生成专业分析报告！

The open-source workspace for building and running AI agents. Build agents through chat, share them with your team, and run background agents on schedules or app events.

Codebase intelligence for AI and humans: code health scores, auto-generated docs, git analytics, dead code detection, and architectural decisions via MCP.

Open-source cloud-environment inspector. Supporting AWS, GCP, Azure, and more! Your cloud resources will have nowhere to hide!

Your web application for managing personal data.

Open-source event management and ticket selling platform — perfect for concerts, conferences, and everything in between 🎟️ If you find this project helpful, please consider giving us a star ⭐️

Command the forces of The Project in a battle to rebuild the world after mankind has been nearly destroyed by nuclear missiles. A 100% free and open source real-time strategy game for Windows, macOS, Linux, BSD+

Manage your photos with Piwigo, a full featured open source photo gallery application for the web. Star us on Github! More than 200 plugins and themes available. Join us and contribute!

🦞 OpenClaw (Clawdbot/Moltbot) 汉化版 - 开源个人 AI 助手中文版 | Claude/ChatGPT LLM 接入 | WhatsApp/Telegram/Discord 多平台 | 每小时自动同步 | CLI + Dashboard 全中文 | 全流程搭建教程，以及排错指南！

Free open source home automation system for Linux, Windows, Raspberry Pi. Supports Z-Wave, Zigbee, MQTT, and 150+ devices.

The missing DevTools for Claude Code — inspect session logs, tool calls, token usage, subagents, and context window in a visual UI. Free, open source.

LinkStack - the ultimate solution for creating a personalized & professional profile page. Showcase all your important links in one place, forget the limitation of one link on social media. Set up your personal site on your own server with just a few clicks.

AI Agent that handles engineering tasks end-to-end: integrates with developers’ tools, plans, executes, and iterates until it achieves a successful result.