head to head · open source
Airbyte vs pgsync
Airbyte has 22,083 GitHub stars, 5,351 forks, 2,395 open issues and last shipped today. pgsync has 1,421 stars, 212 forks, 216 open issues and last shipped 7 days ago. Airbyte leads on adoption by 1,454% (22,083 vs 1,421 stars). Airbyte is written in Python under a custom or non-standard licence; pgsync is written in Python under MIT. Airbyte has attracted 24% as many forks as stars, pgsync 15%. Airbyte was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (change-data-capture, etl), 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
| Airbyte | pgsync | |
|---|---|---|
| GitHub stars | ★ 22K | ★ 1.4K |
| License | Custom / other | MIT |
| Written in | Python | Python |
| Last push | 2026-09-18 | 2026-09-11 |
| Forks | ⑂ 5.4K | ⑂ 212 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Airbyte if
- You weight community size — 22K stars and counting
- You want the Custom / other license terms
- Your stack matches Python
- 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 Airbyte
Airbyte open source data movement project. It lives in data engineering and data integration ecosystem. It moves data from APIs, databases, and files into warehouses, data lakes, and AI applications. It supports ELT and ETL pipelines. It also supports AI agents needing business data.
read the full Airbyte 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 Airbyte or pgsync more popular?
Airbyte has 22,083 GitHub stars and pgsync has 1,421. Airbyte has the larger community by that measure.
Are Airbyte and pgsync free?
Both are open source. Airbyte has no licence declared in this registry, and pgsync is licensed under MIT. Both are free to self-host.
What is the difference between Airbyte and pgsync?
Airbyte is written in Python 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, Airbyte or pgsync?
Choose Airbyte if you want the larger community (22,083 stars) or its Custom / other licence terms. Choose pgsync if its feature set, stack or MIT licence fits better. Both are self-hostable.