head to head · open source
seatunnel vs fluvio
seatunnel has 9,784 GitHub stars, 2,456 forks, 705 open issues and last shipped 2 days ago. fluvio has 5,260 stars, 531 forks, 139 open issues and last shipped 3 days ago. seatunnel leads on adoption by 86% (9,784 vs 5,260 stars). seatunnel is written in Java under Apache-2.0; fluvio is written in Rust under Apache-2.0. seatunnel has attracted 25% as many forks as stars, fluvio 10%. seatunnel was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (data-integration), 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 | fluvio | |
|---|---|---|
| GitHub stars | ★ 9.8K | ★ 5.3K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Java | Rust |
| Last push | 2026-11-03 | 2026-11-02 |
| Forks | ⑂ 2.5K | ⑂ 531 |
| 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 fluvio if
- You want the fluvio 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 fluvio 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 fluvio
Fluvio Composable, Declarative, Stateful Data Streaming System Fluvio is a lean and mean distributed data streaming engine written in Rust. Combined with Stateful DataFlow distributed stream processing framework, Fluvio provides a unified composable distributed streaming and stream processin g paradigm for developers. Quick Start Get started with Fluvio in 2 minutes or less! Step 1. Download Fluvio Version Manager: Fluvio is installed via the Fluvio Version Manager , shortened to fvm . To install fvm , run the following command: TEMPORARY NOTE : While we are transitioning to a new fluvio community hosted fluvio…
read the full fluvio overview →
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Frequently asked questions
Is seatunnel or fluvio more popular?
seatunnel has 9,784 GitHub stars and fluvio has 5,260. seatunnel has the larger community by that measure.
Are seatunnel and fluvio free?
Both are open source. seatunnel is licensed under Apache-2.0 and fluvio under Apache-2.0. Neither carries a licence fee.
What is the difference between seatunnel and fluvio?
seatunnel is written in Java and fluvio 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, seatunnel or fluvio?
Choose seatunnel if you want the larger community (9,784 stars) or its Apache-2.0 licence terms. Choose fluvio if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.