head to head · open source
helix-foundry vs olake
helix-foundry has 1,992 GitHub stars, 294 forks, 8 open issues and last shipped yesterday. olake has 1,574 stars, 273 forks, 178 open issues and last shipped yesterday. helix-foundry leads on adoption by 27% (1,992 vs 1,574 stars). helix-foundry is written in Go under Apache-2.0; olake is written in Go under Apache-2.0. helix-foundry has attracted 15% as many forks as stars, olake 17%. helix-foundry 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
| helix-foundry | olake | |
|---|---|---|
| GitHub stars | ★ 2.0K | ★ 1.6K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Go | Go |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 294 | ⑂ 273 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick helix-foundry if
- You weight community size — 2.0K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick olake if
- You want the olake feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and olake fits your workflow better
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 →
About olake
OLake Go OLake Go is a high performance, open source data ingestion engine for replicating databases, S3, and Kafka into Apache Iceberg (or plain Parquet). Built for scalable, real time pipelines, OLake Go provides a simple web UI and CLI used to ingest into vendor lock in free Iceberg tables supporting all the query engines/warehouses. Read the docs and benchmarks at olake.io/docs . Join our active community on Slack . [!NOTE] 🎉 OLake Fusion is now live! — Automate your Apache Iceberg Table Maintenance. Check it out here → github.com/datazip inc/olake fusion 🎉 OLake Go — Super fast Sync to Apache Iceberg…
read the full olake overview →
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Frequently asked questions
Is helix-foundry or olake more popular?
helix-foundry has 1,992 GitHub stars and olake has 1,574. helix-foundry has the larger community by that measure.
Are helix-foundry and olake free?
Both are open source. helix-foundry is licensed under Apache-2.0 and olake under Apache-2.0. Neither carries a licence fee.
What is the difference between helix-foundry and olake?
helix-foundry is written in Go and olake 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, helix-foundry or olake?
Choose helix-foundry if you want the larger community (1,992 stars) or its Apache-2.0 licence terms. Choose olake if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.