head to head · open source
CocoIndex vs devlake
CocoIndex has 11,566 GitHub stars, 899 forks, 83 open issues and last shipped 2 days ago. devlake has 3,139 stars, 811 forks, 54 open issues and last shipped yesterday. CocoIndex leads on adoption by 268% (11,566 vs 3,139 stars). CocoIndex is written in Rust under Apache-2.0; devlake is written in Go under Apache-2.0. CocoIndex has attracted 8% as many forks as stars, devlake 26%. devlake was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (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
| CocoIndex | devlake | |
|---|---|---|
| GitHub stars | ★ 12K | ★ 3.1K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Rust | Go |
| Last push | 2026-09-16 | 2026-09-17 |
| Forks | ⑂ 899 | ⑂ 811 |
| 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 devlake if
- You want the devlake feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and devlake fits your workflow better
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 →
About devlake
Apache DevLake is an open source dev data platform in the Apache ecosystem, written in Go and licensed under Apache 2.0. It ingests, analyzes, and visualizes fragmented data from DevOps tools to extract insights for engineering excellence, developer experience, and community growth. The platform lives in the data engineering and DevOps integration space, where development data is spread across tools such as GitHub, GitLab, Jenkins, Jira, Sonarqube, and more.
read the full devlake overview →
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Frequently asked questions
Is CocoIndex or devlake more popular?
CocoIndex has 11,566 GitHub stars and devlake has 3,139. CocoIndex has the larger community by that measure.
Are CocoIndex and devlake free?
Both are open source. CocoIndex is licensed under Apache-2.0 and devlake under Apache-2.0. Neither carries a licence fee.
What is the difference between CocoIndex and devlake?
CocoIndex is written in Rust and devlake in Go. 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 devlake?
Choose CocoIndex if you want the larger community (11,566 stars) or its Apache-2.0 licence terms. Choose devlake if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.