head to head · open source
Airbyte vs CocoIndex
Airbyte has 22,082 GitHub stars, 5,350 forks, 2,395 open issues and last shipped yesterday. CocoIndex has 11,566 stars, 899 forks, 83 open issues and last shipped 2 days ago. Airbyte leads on adoption by 91% (22,082 vs 11,566 stars). Airbyte is written in Python under a custom or non-standard licence; CocoIndex is written in Rust under Apache-2.0. Airbyte has attracted 24% as many forks as stars, CocoIndex 8%. Airbyte was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (change-data-capture, data-engineering, 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
| Airbyte | CocoIndex | |
|---|---|---|
| GitHub stars | ★ 22K | ★ 12K |
| License | Custom / other | Apache-2.0 |
| Written in | Python | Rust |
| Last push | 2026-09-17 | 2026-09-16 |
| Forks | ⑂ 5.3K | ⑂ 899 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Airbyte if
- You weight community size — 22K stars and counting
- You want the Custom / other license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick CocoIndex if
- You want the CocoIndex feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Rust
- You evaluated both and CocoIndex fits your workflow better
About Airbyte
Airbyte open source data movement project. It lives in data engineering and data integration ecosystem. It moves data from APIs, databases, and files into warehouses, data lakes, and AI applications. It supports ELT and ETL pipelines. It also supports AI agents needing business data.
read the full Airbyte overview →
About CocoIndex
CocoIndex is an open source incremental data transformation engine for AI workloads, built in Rust with a Python interface and positioned in the data engineering, ETL, indexing, and AI agent ecosystem. It turns codebases, meeting notes, inboxes, Slack, PDFs, and videos into continuously fresh context for AI agents and LLM applications.
read the full CocoIndex overview →
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Frequently asked questions
Is Airbyte or CocoIndex more popular?
Airbyte has 22,082 GitHub stars and CocoIndex has 11,566. Airbyte has the larger community by that measure.
Are Airbyte and CocoIndex free?
Both are open source. Airbyte has no licence declared in this registry, and CocoIndex is licensed under Apache-2.0. Both are free to self-host.
What is the difference between Airbyte and CocoIndex?
Airbyte is written in Python and CocoIndex in Rust. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Airbyte or CocoIndex?
Choose Airbyte if you want the larger community (22,082 stars) or its Custom / other licence terms. Choose CocoIndex if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.