head to head · open source
debezium vs duckle
debezium has 13,307 GitHub stars, 3,124 forks, 131 open issues and last shipped yesterday. duckle has 1,546 stars, 120 forks, 79 open issues and last shipped 2 days ago. debezium leads on adoption by 761% (13,307 vs 1,546 stars). debezium is written in Java under Apache-2.0; duckle is written in Rust under Apache-2.0. debezium has attracted 23% as many forks as stars, duckle 8%. debezium was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (cdc, data-pipeline), 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
| debezium | duckle | |
|---|---|---|
| GitHub stars | ★ 13K | ★ 1.5K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Java | Rust |
| Last push | 2026-11-02 | 2026-11-01 |
| Forks | ⑂ 3.1K | ⑂ 120 |
| 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 duckle if
- You want the duckle 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 duckle 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 duckle
Pipelines you own. Author and deploy to your servers or cloud. Duckle is an open source ETL platform for teams who want their pipelines running on their own infrastructure. Author on a canvas, in Python or in SQL, then ship the same file to your own server or cloud account: duckle runner serve runs it headless on a schedule, in Docker or on a box you own, with a web console, roles and an audit trail. Every pipeline is one file in git, so it outlives whoever wrote it. It compiles to SQL on DuckDB and uses every core you give the box, so a bigger instance is a faster pipeline: 96 million rows out of Postgres to…
read the full duckle overview →
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Frequently asked questions
Is debezium or duckle more popular?
debezium has 13,307 GitHub stars and duckle has 1,546. debezium has the larger community by that measure.
Are debezium and duckle free?
Both are open source. debezium is licensed under Apache-2.0 and duckle under Apache-2.0. Neither carries a licence fee.
What is the difference between debezium and duckle?
debezium is written in Java and duckle 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, debezium or duckle?
Choose debezium if you want the larger community (13,307 stars) or its Apache-2.0 licence terms. Choose duckle if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.