head to head · open source
CocoIndex vs peerdb
CocoIndex has 11,566 GitHub stars, 899 forks, 83 open issues and last shipped 2 days ago. peerdb has 3,272 stars, 212 forks, 204 open issues and last shipped yesterday. CocoIndex leads on adoption by 253% (11,566 vs 3,272 stars). CocoIndex is written in Rust under Apache-2.0; peerdb is written in Go under AGPL-3.0. CocoIndex has attracted 8% as many forks as stars, peerdb 6%. peerdb 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 | peerdb | |
|---|---|---|
| GitHub stars | ★ 12K | ★ 3.3K |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | Rust | Go |
| Last push | 2026-09-16 | 2026-09-17 |
| Forks | ⑂ 899 | ⑂ 212 |
| 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 peerdb if
- You want the peerdb feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Go
- You evaluated both and peerdb 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 peerdb
PeerDB is a data integration project in the Postgres ecosystem. It lives in the Data & Analytics / Data Engineering & Integration category and focuses on streaming data from Postgres to data warehouses, queues, and storage engines. The project is built around Postgres first ETL and change data capture workflows rather than a broad connector catalog.
read the full peerdb overview →
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Frequently asked questions
Is CocoIndex or peerdb more popular?
CocoIndex has 11,566 GitHub stars and peerdb has 3,272. CocoIndex has the larger community by that measure.
Are CocoIndex and peerdb free?
Both are open source. CocoIndex is licensed under Apache-2.0 and peerdb under AGPL-3.0. Neither carries a licence fee.
What is the difference between CocoIndex and peerdb?
CocoIndex is written in Rust and peerdb 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 peerdb?
Choose CocoIndex if you want the larger community (11,566 stars) or its Apache-2.0 licence terms. Choose peerdb if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.