head to head · open source
seatunnel vs Seal-Report
seatunnel has 9,657 GitHub stars, 2,416 forks, 705 open issues and last shipped today. Seal-Report has 1,635 stars, 508 forks, 21 open issues and last shipped 2 days ago. seatunnel leads on adoption by 491% (9,657 vs 1,635 stars). seatunnel is written in Java under Apache-2.0; Seal-Report is written in C# under MIT. seatunnel has attracted 25% as many forks as stars, Seal-Report 31%. seatunnel was the more recently maintained of the two, and both are self-hostable with no licence fee.
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 | Seal-Report | |
|---|---|---|
| GitHub stars | ★ 9.7K | ★ 1.6K |
| License | Apache-2.0 | MIT |
| Written in | Java | C# |
| Last push | 2026-09-20 | 2026-09-18 |
| Forks | ⑂ 2.4K | ⑂ 508 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick seatunnel if
- You weight community size — 9.7K 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 Seal-Report if
- You want the Seal-Report feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches C#
- You evaluated both and Seal-Report fits your workflow better
About seatunnel
Apache SeaTunnel is a multimodal, high performance, distributed data integration tool that is capable of synchronizing vast amounts of data daily. It is an Apache Software Foundation project written in Java and released under the Apache 2.0 license, with a home on the web at seatunnel.apache.org. The project has been in development for roughly nine years and has accumulated 9,652 stars and 2,407 forks on GitHub. It sits in the Data & Analytics ecosystem, specifically in data engineering and integration, and it is built around a connector driven model: sources, sinks, and transforms are configured as jobs, and tho…
read the full seatunnel overview →
About Seal-Report
Seal Report & Task is open source database reporting and task framework written in C for Microsoft .NET. It lives in Data & Analytics and Data Engineering & Integration. It targets reports from SQL and NoSQL sources, plus ETL and batch tasks. License is MIT.
read the full Seal-Report overview →
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Frequently asked questions
Is seatunnel or Seal-Report more popular?
seatunnel has 9,657 GitHub stars and Seal-Report has 1,635. seatunnel has the larger community by that measure.
Are seatunnel and Seal-Report free?
Both are open source. seatunnel is licensed under Apache-2.0 and Seal-Report under MIT. Neither carries a licence fee.
What is the difference between seatunnel and Seal-Report?
seatunnel is written in Java and Seal-Report in C#. 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 Seal-Report?
Choose seatunnel if you want the larger community (9,657 stars) or its Apache-2.0 licence terms. Choose Seal-Report if its feature set, stack or MIT licence fits better. Both are self-hostable.