head to head · open source
debezium vs helix-foundry
debezium has 13,281 GitHub stars, 3,110 forks, 131 open issues and last shipped yesterday. helix-foundry has 1,683 stars, 257 forks, 8 open issues and last shipped yesterday. debezium leads on adoption by 689% (13,281 vs 1,683 stars). debezium is written in Java under Apache-2.0; helix-foundry is written in TypeScript under Apache-2.0. debezium has attracted 23% 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.
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
| debezium | helix-foundry | |
|---|---|---|
| GitHub stars | ★ 13K | ★ 1.7K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Java | TypeScript |
| Last push | 2026-10-28 | 2026-10-28 |
| Forks | ⑂ 3.1K | ⑂ 257 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick debezium if
- You weight community size — 13K 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 debezium
Copyright Debezium Authors. Licensed under the Apache License, Version 2.0. The Antlr grammars within the debezium ddl parser module are licensed under the MIT License. English Chinese Japanese Korean Debezium Debezium is an open source project that provides a low latency data streaming platform for change data capture (CDC). You set up and configure Debezium to monitor your databases, and then your applications consume events for each row level change made to the database. Only committed changes are visible, so your application doesn't have to worry about transactions or changes that are rolled back. Debezium…
read the full debezium 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 debezium or helix-foundry more popular?
debezium has 13,281 GitHub stars and helix-foundry has 1,683. debezium has the larger community by that measure.
Are debezium and helix-foundry free?
Both are open source. debezium is licensed under Apache-2.0 and helix-foundry under Apache-2.0. Neither carries a licence fee.
What is the difference between debezium and helix-foundry?
debezium 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, debezium or helix-foundry?
Choose debezium if you want the larger community (13,281 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.