head to head · open source
debezium vs pgsync
debezium has 13,130 GitHub stars, 3,042 forks, 131 open issues and last shipped today. pgsync has 1,421 stars, 212 forks, 216 open issues and last shipped 7 days ago. debezium leads on adoption by 824% (13,130 vs 1,421 stars). debezium is written in Java under Apache-2.0; pgsync is written in Python under MIT. debezium has attracted 23% as many forks as stars, pgsync 15%. debezium was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (change-data-capture), 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 | pgsync | |
|---|---|---|
| GitHub stars | ★ 13K | ★ 1.4K |
| License | Apache-2.0 | MIT |
| Written in | Java | Python |
| Last push | 2026-09-18 | 2026-09-11 |
| Forks | ⑂ 3.0K | ⑂ 212 |
| 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 pgsync if
- You want the pgsync feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and pgsync 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 pgsync
PGSync Real time PostgreSQL to Elasticsearch/OpenSearch sync Keep your relational database as the source of truth while powering lightning fast search Live Demo ↗ · Website · Documentation · Examples · Report Bug What is PGSync? PGSync is a change data capture tool that syncs data from PostgreSQL , MySQL , or MariaDB to Elasticsearch or OpenSearch in real time. Define your document structure in JSON, and PGSync handles the rest — no custom code required. Django integration: Use django pgsync to integrate PGSync with Django projects. PGSync Pro: Add real time semantic and hybrid search to Elasticsearch or OpenSear…
read the full pgsync overview →
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Frequently asked questions
Is debezium or pgsync more popular?
debezium has 13,130 GitHub stars and pgsync has 1,421. debezium has the larger community by that measure.
Are debezium and pgsync free?
Both are open source. debezium is licensed under Apache-2.0 and pgsync under MIT. Neither carries a licence fee.
What is the difference between debezium and pgsync?
debezium is written in Java and pgsync 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 pgsync?
Choose debezium if you want the larger community (13,130 stars) or its Apache-2.0 licence terms. Choose pgsync if its feature set, stack or MIT licence fits better. Both are self-hostable.