OpenFang is an open-source Agent Operating System built entirely in Rust, representing a fundamental shift in how autonomous AI agents are architected. With 17.6k GitHub stars and active development (latest release v0.6.9 in May 2026), OpenFang moves beyond chatbot frameworks to deliver a production-ready system where agents
GitHub MCP Server is an open-source Model Context Protocol (MCP) server that bridges AI agents, assistants, and chatbots directly to GitHub's platform. With 19,951 stars and active development (latest commit 20 hours ago), it enables AI tools to read repositories, manage issues and pull requests, analyze code,
OpenUI is an open-source AI-powered tool by Weights & Biases that transforms UI development. With 20k+ GitHub stars, it lets developers describe UI components in natural language and see them rendered live in real-time.
Discover Hermes Agent, the open-source AI agent with 157k+ stars that learns from experience, builds its own skills, and integrates with your favorite platforms.
Official GitHub MCP server connects AI agents to repositories, issues, PRs, and workflows. Automate GitHub tasks with Claude, Copilot, and more. 19.9k+ stars.
OpenCode has emerged as the leading open-source alternative to proprietary AI coding agents, with 161,000+ GitHub stars. Built by the creators of SST, it's a provider-agnostic AI coding agent that runs in your terminal, desktop, or IDE with active daily development.
Mem0 is a rapidly growing open-source project with 55.7k+ GitHub stars that provides a universal, self-improving memory layer for AI agents and LLMs. Discover how it enables persistent context, personalization, and autonomous workflows with intelligent multi-signal retrieval and temporal reasoning.
SGLang is a high-performance serving framework for large language models and multimodal models, designed to deliver low-latency and high-throughput inference across single GPUs to large distributed clusters. With 27.7k+ GitHub stars and active development, SGLang powers over 400,000 GPUs worldwide, generating trillions of tokens daily in production environments.
Context7 delivers version-specific code docs to AI agents via MCP. Stop hallucinations with up-to-date library documentation. 55k+ GitHub stars.
Sim Studio has emerged as one of the fastest-growing AI agent platforms in 2026, reaching 28.4k+ GitHub stars and becoming the go-to choice for teams building production-grade AI workflows without extensive coding. This open-source AI workspace combines visual workflow design, natural language agent creation, and enterprise-grade deployment capabilities—making
Goose is a production-ready, open-source AI agent supporting 15+ LLM providers and 70+ MCP extensions. Desktop app, CLI, and API for code, automation, and research.
Opening CrewAI is a lean, lightning-fast Python framework for orchestrating autonomous AI agents that work together as a cohesive team. With 50.8k+ GitHub stars and active development (last commit 13 hours ago as of May 2026), CrewAI has emerged as the leading alternative to heavier frameworks like LangChain. Built