head to head · open source
seatunnel vs peerdb
seatunnel has 9,784 GitHub stars, 2,456 forks, 705 open issues and last shipped 2 days ago. peerdb has 3,314 stars, 232 forks, 204 open issues and last shipped 2 days ago. seatunnel leads on adoption by 195% (9,784 vs 3,314 stars). seatunnel is written in Java under Apache-2.0; peerdb is written in Go under AGPL-3.0. seatunnel has attracted 25% as many forks as stars, peerdb 7%. peerdb was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (cdc), 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
| seatunnel | peerdb | |
|---|---|---|
| GitHub stars | ★ 9.8K | ★ 3.3K |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | Java | Go |
| Last push | 2026-11-03 | 2026-11-03 |
| Forks | ⑂ 2.5K | ⑂ 232 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick seatunnel if
- You weight community size — 9.8K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Java
- 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 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 →
About peerdb
Frustratingly simple ETL for Postgres PeerDB At PeerDB, we are building a fast, simple and the most cost effective way to stream data from Postgres to Data Warehouses, Queues and Storage engines. If you are running Postgres at the heart of your data stack and move data at scale from Postgres to any of the above targets, PeerDB can provide value. We support different modes of streaming log based (CDC), cursor based (timestamp or integer) and XMIN based. Performance wise, we are 10x faster than existing tools. Features wise, we support native Postgres features such as comprehensive set of data types incl…
read the full peerdb overview →
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Frequently asked questions
Is seatunnel or peerdb more popular?
seatunnel has 9,784 GitHub stars and peerdb has 3,314. seatunnel has the larger community by that measure.
Are seatunnel and peerdb free?
Both are open source. seatunnel is licensed under Apache-2.0 and peerdb under AGPL-3.0. Neither carries a licence fee.
What is the difference between seatunnel and peerdb?
seatunnel is written in Java 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, seatunnel or peerdb?
Choose seatunnel if you want the larger community (9,784 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.