head to head · open source
CocoIndex vs OpenContracts
CocoIndex has 11,812 GitHub stars, 923 forks, 83 open issues and last shipped yesterday. OpenContracts has 1,530 stars, 198 forks, 11 open issues and last shipped yesterday. CocoIndex leads on adoption by 672% (11,812 vs 1,530 stars). CocoIndex is written in Rust under Apache-2.0; OpenContracts is written in Python under MIT. CocoIndex has attracted 8% as many forks as stars, OpenContracts 13%. CocoIndex was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (ai, ai-agents, etl), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| CocoIndex | OpenContracts | |
|---|---|---|
| GitHub stars | ★ 12K | ★ 1.5K |
| License | Apache-2.0 | MIT |
| Written in | Rust | Python |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 923 | ⑂ 198 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick CocoIndex if
- You weight community size — 12K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Rust
- You value the larger contributor base for long-term maintenance
pick OpenContracts if
- You want the OpenContracts feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and OpenContracts fits your workflow better
About CocoIndex
Your agents deserve fresh context. Star us ❤️ → · · · CocoIndex turns codebases, meeting notes, inboxes, Slack, PDFs, and videos into live, continuously fresh context for your AI agents and LLM apps to reason over effectively — with minimal incremental processing. Get your production AI agent ready in 10 minutes with reliable, continuously fresh data — no stale batches, no context gap Incremental · only the delta · Any scale · parallel by default · Declarative · Python, 5 min Deutsch English Español français 日本語 한국어 Português Русский 中文 Built with CocoIndex ❤️ <img src=" alt="CocoIndex code — flagship MCP server…
read the full CocoIndex overview →
About OpenContracts
OpenContracts (Demo) Open source document intelligence you can build on. Point OpenContracts at a repository of documents and get a programmable citation graph — human annotation, structured extraction, AI agents, and a built in MCP server, all behind one API. Self hosted, MIT licensed, and built for teams working at scale. Same graph, three surfaces: a GraphQL + REST API for your apps, a Model Context Protocol server for your agents, and a React UI for your team. From documents to a citation graph — in about a minute Create a corpus, drop in your documents, and click Set up . That one click installs the…
read the full OpenContracts overview →
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Frequently asked questions
Is CocoIndex or OpenContracts more popular?
CocoIndex has 11,812 GitHub stars and OpenContracts has 1,530. CocoIndex has the larger community by that measure.
Are CocoIndex and OpenContracts free?
Both are open source. CocoIndex is licensed under Apache-2.0 and OpenContracts under MIT. Neither carries a licence fee.
What is the difference between CocoIndex and OpenContracts?
CocoIndex is written in Rust and OpenContracts in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, CocoIndex or OpenContracts?
Choose CocoIndex if you want the larger community (11,812 stars) or its Apache-2.0 licence terms. Choose OpenContracts if its feature set, stack or MIT licence fits better. Both are self-hostable.