head to head · open source
debezium vs olake
debezium has 13,307 GitHub stars, 3,124 forks, 131 open issues and last shipped yesterday. olake has 1,574 stars, 273 forks, 178 open issues and last shipped yesterday. debezium leads on adoption by 745% (13,307 vs 1,574 stars). debezium is written in Java under Apache-2.0; olake is written in Go under Apache-2.0. debezium has attracted 23% as many forks as stars, olake 17%. debezium was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 6 topic tags (cdc, change-data-capture, data-pipeline, database), 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 | olake | |
|---|---|---|
| GitHub stars | ★ 13K | ★ 1.6K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Java | Go |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 3.1K | ⑂ 273 |
| 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 olake if
- You want the olake feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and olake 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 olake
OLake Go OLake Go is a high performance, open source data ingestion engine for replicating databases, S3, and Kafka into Apache Iceberg (or plain Parquet). Built for scalable, real time pipelines, OLake Go provides a simple web UI and CLI used to ingest into vendor lock in free Iceberg tables supporting all the query engines/warehouses. Read the docs and benchmarks at olake.io/docs . Join our active community on Slack . [!NOTE] 🎉 OLake Fusion is now live! — Automate your Apache Iceberg Table Maintenance. Check it out here → github.com/datazip inc/olake fusion 🎉 OLake Go — Super fast Sync to Apache Iceberg…
read the full olake overview →
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Frequently asked questions
Is debezium or olake more popular?
debezium has 13,307 GitHub stars and olake has 1,574. debezium has the larger community by that measure.
Are debezium and olake free?
Both are open source. debezium is licensed under Apache-2.0 and olake under Apache-2.0. Neither carries a licence fee.
What is the difference between debezium and olake?
debezium is written in Java and olake in Go. 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 olake?
Choose debezium if you want the larger community (13,307 stars) or its Apache-2.0 licence terms. Choose olake if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.