head to head · open source
debezium vs ReplicaDB
debezium has 13,130 GitHub stars, 3,042 forks, 131 open issues and last shipped today. ReplicaDB has 500 stars, 114 forks, 4 open issues and last shipped yesterday. debezium leads on adoption by 2,526% (13,130 vs 500 stars). debezium is written in Java under Apache-2.0; ReplicaDB is written in Java under Apache-2.0. debezium has attracted 23% as many forks as stars, ReplicaDB 23%. debezium was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (database, kafka), 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 | ReplicaDB | |
|---|---|---|
| GitHub stars | ★ 13K | ★ 500 |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Java | Java |
| Last push | 2026-09-18 | 2026-09-17 |
| Forks | ⑂ 3.0K | ⑂ 114 |
| 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 ReplicaDB if
- You want the ReplicaDB feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Java
- You evaluated both and ReplicaDB 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 ReplicaDB
ReplicaDB is a high performance, open source command line tool for bulk data replication between heterogeneous databases. It enables efficient ETL/ELT workflows by transferring data in parallel between Oracle, PostgreSQL, MySQL, MongoDB, SQL Server, and other databases without requiring database agents or triggers. ReplicaDB supports a wide range of data sources including relational databases (Oracle, PostgreSQL, MySQL, MariaDB, SQL Server, SQLite, IBM DB2 LUW and DB2 for i), NoSQL databases (MongoDB), data virtualization platforms (Denodo), file formats (CSV), cloud storage (Amazon S3), and streaming platforms (…
read the full ReplicaDB overview →
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Frequently asked questions
Is debezium or ReplicaDB more popular?
debezium has 13,130 GitHub stars and ReplicaDB has 500. debezium has the larger community by that measure.
Are debezium and ReplicaDB free?
Both are open source. debezium is licensed under Apache-2.0 and ReplicaDB under Apache-2.0. Neither carries a licence fee.
What is the difference between debezium and ReplicaDB?
debezium is written in Java and ReplicaDB in Java. 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 ReplicaDB?
Choose debezium if you want the larger community (13,130 stars) or its Apache-2.0 licence terms. Choose ReplicaDB if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.