head to head · open source
debezium vs pgsync
debezium has 13,307 GitHub stars, 3,124 forks, 131 open issues and last shipped yesterday. pgsync has 1,433 stars, 213 forks, 216 open issues and last shipped yesterday. debezium leads on adoption by 829% (13,307 vs 1,433 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.
← all 20902 open source comparisons
Side by side
| debezium | pgsync | |
|---|---|---|
| GitHub stars | ★ 13K | ★ 1.4K |
| License | Apache-2.0 | MIT |
| Written in | Java | Python |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 3.1K | ⑂ 213 |
| 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
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 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…
read the full pgsync overview →
More in Data & Analytics
Related comparisons
More Data Engineering & Integration projects
Compare either of these against the rest of the Data Engineering & Integration field.
Frequently asked questions
Is debezium or pgsync more popular?
debezium has 13,307 GitHub stars and pgsync has 1,433. 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 (13,307 stars) or its Apache-2.0 licence terms. Choose pgsync if its feature set, stack or MIT licence fits better. Both are self-hostable.