head to head · open source
seatunnel vs helix-foundry
seatunnel has 9,768 GitHub stars, 2,444 forks, 705 open issues and last shipped yesterday. helix-foundry has 1,683 stars, 257 forks, 8 open issues and last shipped yesterday. seatunnel leads on adoption by 480% (9,768 vs 1,683 stars). seatunnel is written in Java under Apache-2.0; helix-foundry is written in TypeScript under Apache-2.0. seatunnel has attracted 25% as many forks as stars, helix-foundry 15%. helix-foundry 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 | helix-foundry | |
|---|---|---|
| GitHub stars | ★ 9.8K | ★ 1.7K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Java | TypeScript |
| Last push | 2026-10-28 | 2026-10-28 |
| Forks | ⑂ 2.4K | ⑂ 257 |
| 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 helix-foundry if
- You want the helix-foundry feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and helix-foundry 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 helix-foundry
Helix Foundry Connect your company's data, let an agent draft an ontology over it, and load it into HelixDB as one connected graph you can explore and ask questions of. Connect PostgreSQL, MySQL, Amazon S3, Stripe, PostHog, WorkOS, GitHub, Linear, Granola and Cal.com, and upload documents (Markdown, text, PDF) and table files (CSV, TSV, JSON, JSON Lines, Parquet). An agent drafts the ontology: types, links, the tables and documents each comes from, and rules. You review it, edit it and make a version current. A load writes the version into HelixDB. Explore it as a graph or as records, follow every value back to…
read the full helix-foundry overview →
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Frequently asked questions
Is seatunnel or helix-foundry more popular?
seatunnel has 9,768 GitHub stars and helix-foundry has 1,683. seatunnel has the larger community by that measure.
Are seatunnel and helix-foundry free?
Both are open source. seatunnel is licensed under Apache-2.0 and helix-foundry under Apache-2.0. Neither carries a licence fee.
What is the difference between seatunnel and helix-foundry?
seatunnel is written in Java and helix-foundry in TypeScript. 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 helix-foundry?
Choose seatunnel if you want the larger community (9,768 stars) or its Apache-2.0 licence terms. Choose helix-foundry if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.