head to head · open source
CocoIndex vs seatunnel
CocoIndex has 11,812 GitHub stars, 923 forks, 83 open issues and last shipped yesterday. seatunnel has 9,782 stars, 2,453 forks, 705 open issues and last shipped yesterday. CocoIndex leads on adoption by 21% (11,812 vs 9,782 stars). CocoIndex is written in Rust under Apache-2.0; seatunnel is written in Java under Apache-2.0. CocoIndex has attracted 8% as many forks as stars, seatunnel 25%. seatunnel was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (change-data-capture), 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 | seatunnel | |
|---|---|---|
| GitHub stars | ★ 12K | ★ 9.8K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Rust | Java |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 923 | ⑂ 2.5K |
| 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 seatunnel if
- You want the seatunnel 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 seatunnel 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 seatunnel
Apache SeaTunnel Overview SeaTunnel is a multimodal, high performance, distributed data integration tool, capable of synchronizing vast amounts of data daily. It's trusted by numerous companies for its efficiency and stability. Why Choose SeaTunnel SeaTunnel addresses common data integration challenges: Diverse Data Sources : Seamlessly integrates with hundreds of evolving data sources. Multimodal Data Integration : Supports the integration of video, images, binary files, structured and unstructured text data. Complex Synchronization Scenarios : Supports various synchronization methods, including real time, CDC…
read the full seatunnel overview →
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Frequently asked questions
Is CocoIndex or seatunnel more popular?
CocoIndex has 11,812 GitHub stars and seatunnel has 9,782. CocoIndex has the larger community by that measure.
Are CocoIndex and seatunnel free?
Both are open source. CocoIndex is licensed under Apache-2.0 and seatunnel under Apache-2.0. Neither carries a licence fee.
What is the difference between CocoIndex and seatunnel?
CocoIndex is written in Rust and seatunnel 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 seatunnel?
Choose CocoIndex if you want the larger community (11,812 stars) or its Apache-2.0 licence terms. Choose seatunnel if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.