Open-Source AI Agent Frameworks Reach Critical Mass: 110K-Plus Stars Fuel Enterprise Adoption

Twenty open-source frameworks with a combined 900,000+ GitHub stars have crystallized into a production-ready agent development stack, marking a pivotal shift in how enterprises build autonomous AI systems. The ecosystem—anchored by LangChain's 110,000 stars, CrewAI's rapidly growing 57,000, and LlamaIndex's 38,000—represents one of the fastest-moving areas of AI infrastructure.