head to head · open source
debezium vs duckle
debezium has 13,129 GitHub stars, 3,042 forks, 131 open issues and last shipped yesterday. duckle has 1,307 stars, 101 forks, 57 open issues and last shipped yesterday. debezium leads on adoption by 905% (13,129 vs 1,307 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 | ★ 1.3K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Java | Rust |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 3.0K | ⑂ 101 |
| 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
Debezium is an open source, low latency change data capture (CDC) platform that monitors databases and turns every row level change into an ordered event stream that applications consume, and it is built for Java teams already running Apache Kafka and Kafka Connect.
read the full debezium overview →
About duckle
Duckle is an open source ETL/ELT platform for data engineering and data integration teams. It lives in the DuckDB ecosystem and lets teams author pipelines on a visual canvas, in Python, or in SQL, then run them on their own servers or cloud accounts. The project is written in Rust and licensed under Apache 2.0.
read the full duckle overview →
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Frequently asked questions
Is debezium or duckle more popular?
debezium has 13,129 GitHub stars and duckle has 1,307. 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 (13,129 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.