head to head · open source
debezium vs redun
debezium has 13,307 GitHub stars, 3,124 forks, 131 open issues and last shipped yesterday. redun has 608 stars, 54 forks, 34 open issues and last shipped 4 months ago. debezium leads on adoption by 2,089% (13,307 vs 608 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 | ★ 608 |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Java | Python |
| Last push | 2026-11-02 | 2026-07-17 |
| Forks | ⑂ 3.1K | ⑂ 54 |
| 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
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 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…
read the full redun overview →
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Frequently asked questions
Is debezium or redun more popular?
debezium has 13,307 GitHub stars and redun has 608. 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 (13,307 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.