head to head · open source
CocoIndex vs pudl
CocoIndex has 11,812 GitHub stars, 923 forks, 83 open issues and last shipped yesterday. pudl has 613 stars, 151 forks, 502 open issues and last shipped yesterday. CocoIndex leads on adoption by 1,827% (11,812 vs 613 stars). CocoIndex is written in Rust under Apache-2.0; pudl is written in Python under MIT. CocoIndex has attracted 8% as many forks as stars, pudl 25%. pudl was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (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 | pudl | |
|---|---|---|
| GitHub stars | ★ 12K | ★ 613 |
| License | Apache-2.0 | MIT |
| Written in | Rust | Python |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 923 | ⑂ 151 |
| 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 pudl if
- You want the pudl feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and pudl 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 pudl
=============================================================================== The Public Utility Data Liberation Project (PUDL) =============================================================================== .. readme intro .. repo status image:: :target: :alt: Project Status: Active .. pytest image:: :target: :alt: PyTest Status .. codecov image:: :target: :alt: Codecov Test Coverage .. docs image:: :target: :alt: Docs Build Status .. oc image:: :target: .. pre commit ci image:: :target: :alt: pre commit CI .. zenodo doi image:: :target: :alt: Zenodo DOI .. office hours image:: :target: :alt: Schedule a 1 on…
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Frequently asked questions
Is CocoIndex or pudl more popular?
CocoIndex has 11,812 GitHub stars and pudl has 613. CocoIndex has the larger community by that measure.
Are CocoIndex and pudl free?
Both are open source. CocoIndex is licensed under Apache-2.0 and pudl under MIT. Neither carries a licence fee.
What is the difference between CocoIndex and pudl?
CocoIndex is written in Rust and pudl 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 pudl?
Choose CocoIndex if you want the larger community (11,812 stars) or its Apache-2.0 licence terms. Choose pudl if its feature set, stack or MIT licence fits better. Both are self-hostable.