PageIndex
PageIndex: Document Index for Vectorless, Reasoning-based RAG
FreeOpen source
What you get
PageIndex is a free, open-source AI tool published on GitHub by VectifyAI.
PageIndex: Document Index for Vectorless, Reasoning-based RAG
GitHub stars: 39,454
License: MIT (free to use)
Language: Python
Topics: agentic-ai, agents, ai, ai-agents, context-engineering, information-retrieval, llm, rag
Last updated: 2026-10-22
How to get it: open the repository on GitHub, read the README and follow the setup steps. HEEEXY lists it in the Lab because it is popular, actively maintained and openly licensed.
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