head to head · open source
debezium vs redun
debezium has 13,130 GitHub stars, 3,042 forks, 131 open issues and last shipped today. redun has 601 stars, 52 forks, 34 open issues and last shipped 2 months ago. debezium leads on adoption by 2,085% (13,130 vs 601 stars). debezium is written in Java under Apache-2.0; redun is written in Python under Apache-2.0. debezium has attracted 23% as many forks as stars, redun 9%. debezium 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 | redun | |
|---|---|---|
| GitHub stars | ★ 13K | ★ 601 |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Java | Python |
| Last push | 2026-09-18 | 2026-07-17 |
| Forks | ⑂ 3.0K | ⑂ 52 |
| 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 redun if
- You want the redun feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and redun 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 redun
yet another redundant workflow engine redun aims to be a more expressive and efficient workflow framework, built on top of the popular Python programming language. It takes the somewhat contrarian view that writing dataflows directly is unnecessarily restrictive, and by doing so we lose abstractions we have come to rely on in most modern high level languages (control flow, composability, recursion, high order functions, etc). redun's key insight is that workflows can be expressed as lazy expressions, which are then evaluated by a scheduler that performs automatic parallelization, caching, and data provenance logg…
read the full redun overview →
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Frequently asked questions
Is debezium or redun more popular?
debezium has 13,130 GitHub stars and redun has 601. debezium has the larger community by that measure.
Are debezium and redun free?
Both are open source. debezium is licensed under Apache-2.0 and redun under Apache-2.0. Neither carries a licence fee.
What is the difference between debezium and redun?
debezium is written in Java and redun in Python. 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 redun?
Choose debezium if you want the larger community (13,130 stars) or its Apache-2.0 licence terms. Choose redun if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.