Free alternatives to LlamaIndex

Similar free or open-source options in the same category, ranked by relevance and quality.

Resource	Pricing	Type	Licence	Platforms
LlamaIndex	Free	Library	MIT	web
Claude Mem	Free	Library	Apache-2.0	web
Medusa	Free	Library	—	web
DeepSeek Reasonix	Free	Library	MIT	cli
Opencodex	Free	Library	MIT	cli
ChatGPT Shortcut	Free	Library	MIT	web
Transformers	Free	Library	Apache-2.0	web

Claude Mem
cmem.ai
Open-source AI memory for Claude Code, linkable to any MCP client.

Library Free Apache-2.0 ★ 90k ✓ checked

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Medusa
medusajs.com
World's most flexible commerce platform for agents and developers

Library Free ★ 36k ✓ checked

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DeepSeek Reasonix
reasonix.io
DeepSeek-native AI coding agent for your terminal.

Library Free MIT ★ 34k ✓ checked

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Opencodex
opencodex.me
Universal provider proxy for OpenAI Codex & Claude Code — use any LLM with Codex CLI, App, SDK, and Claude Code.

Library Free MIT ★ 8.9k ✓ checked

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ChatGPT Shortcut
aishort.top
🚀💪Maximize your efficiency and productivity.

Library Free MIT ★ 8.7k ✓ checked

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Transformers
github.com
The standard library for pretrained models

Library Free Apache-2.0 ★ 164k ✓ checked

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