head to head · open source
CocoIndex vs hop
CocoIndex has 11,812 GitHub stars, 923 forks, 83 open issues and last shipped yesterday. hop has 1,516 stars, 487 forks, 431 open issues and last shipped yesterday. CocoIndex leads on adoption by 679% (11,812 vs 1,516 stars). CocoIndex is written in Rust under Apache-2.0; hop is written in Java under Apache-2.0. CocoIndex has attracted 8% as many forks as stars, hop 32%. hop 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 | hop | |
|---|---|---|
| GitHub stars | ★ 12K | ★ 1.5K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Rust | Java |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 923 | ⑂ 487 |
| 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 hop if
- You want the hop feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Java
- You evaluated both and hop 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 hop
Apache Hop The Hop Orchestration Platform aims to facilitate all aspects of data and metadata orchestration. Trying Apache Hop Apache Hop aims to offer you a very stable user experience. Any feedback that you might have is welcome! If you find that something is not working, have an idea for a new feature or simply if something is not to your liking, let us know! Your help is invaluable. There are various things you can do to help Hop continue moving forward quickly: Log bugs, request features in GitHub Ask questions in the mailing lists or GitHub Discussions Help us write or fix documentation (lot of…
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Frequently asked questions
Is CocoIndex or hop more popular?
CocoIndex has 11,812 GitHub stars and hop has 1,516. CocoIndex has the larger community by that measure.
Are CocoIndex and hop free?
Both are open source. CocoIndex is licensed under Apache-2.0 and hop under Apache-2.0. Neither carries a licence fee.
What is the difference between CocoIndex and hop?
CocoIndex is written in Rust and hop in Java. 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 hop?
Choose CocoIndex if you want the larger community (11,812 stars) or its Apache-2.0 licence terms. Choose hop if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.