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Best Open Source context engineering Libraries

A curated list of the most popular GitHub repositories tagged with context engineering. Select any project to visualize its architecture and dive into the codebase using RepoMind's AI engine.

#1infiniflow/ragflow

RAGFlow is a leading open-source Retrieval-Augmented Generation (RAG) engine that fuses cutting-edge RAG with Agent capabilities to create a superior context layer for LLMs

73,497Python
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#2Fission-AI/OpenSpec

Spec-driven development (SDD) for AI coding assistants.

24,950TypeScript
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#3topoteretes/cognee

Knowledge Engine for AI Agent Memory in 6 lines of code

12,449Python
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