head to head · open source
whodb vs pgsync
whodb has 5,033 GitHub stars, 240 forks, 42 open issues and last shipped today. pgsync has 1,421 stars, 212 forks, 216 open issues and last shipped 9 days ago. whodb leads on adoption by 254% (5,033 vs 1,421 stars). whodb is written in Go under Apache-2.0; pgsync is written in Python under MIT. whodb has attracted 5% as many forks as stars, pgsync 15%. whodb was the more recently maintained of the two, and both are self-hostable with no licence fee.
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
| whodb | pgsync | |
|---|---|---|
| GitHub stars | ★ 5.0K | ★ 1.4K |
| License | Apache-2.0 | MIT |
| Written in | Go | Python |
| Last push | 2026-09-20 | 2026-09-11 |
| Forks | ⑂ 240 | ⑂ 212 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick whodb if
- You weight community size — 5.0K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- 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 whodb
WhoDB is an Apache 2.0, Go based open source data workspace that gives users one place to explore databases, edit data, run queries, and understand how a schema fits together. It runs in the browser, is available as a desktop application, and also provides a terminal CLI, so it fits the open source data engineering and integration ecosystem for internal tools, data platforms, database management, data governance, data integration, data pipelines, data catalogs, data lineage, and ER diagrams.
read the full whodb overview →
About pgsync
PGSync is a change data capture tool that syncs PostgreSQL, MySQL, or MariaDB to Elasticsearch or OpenSearch in real time, aimed at teams that want to keep a relational database as the source of truth while serving fast search from a separate index.
read the full pgsync overview →
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Frequently asked questions
Is whodb or pgsync more popular?
whodb has 5,033 GitHub stars and pgsync has 1,421. whodb has the larger community by that measure.
Are whodb and pgsync free?
Both are open source. whodb is licensed under Apache-2.0 and pgsync under MIT. Neither carries a licence fee.
What is the difference between whodb and pgsync?
whodb is written in Go 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, whodb or pgsync?
Choose whodb if you want the larger community (5,033 stars) or its Apache-2.0 licence terms. Choose pgsync if its feature set, stack or MIT licence fits better. Both are self-hostable.