head to head · open source
CocoIndex vs pgsync
CocoIndex has 11,572 GitHub stars, 900 forks, 83 open issues and last shipped yesterday. pgsync has 1,421 stars, 212 forks, 216 open issues and last shipped 7 days ago. CocoIndex leads on adoption by 714% (11,572 vs 1,421 stars). CocoIndex is written in Rust under Apache-2.0; pgsync is written in Python under MIT. CocoIndex has attracted 8% as many forks as stars, pgsync 15%. CocoIndex 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
| CocoIndex | pgsync | |
|---|---|---|
| GitHub stars | ★ 12K | ★ 1.4K |
| License | Apache-2.0 | MIT |
| Written in | Rust | Python |
| Last push | 2026-09-17 | 2026-09-11 |
| Forks | ⑂ 900 | ⑂ 212 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick CocoIndex if
- You weight community size — 12K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Rust
- 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 CocoIndex
CocoIndex is an open source incremental data transformation engine for AI workloads, built in Rust with a Python interface and positioned in the data engineering, ETL, indexing, and AI agent ecosystem. It turns codebases, meeting notes, inboxes, Slack, PDFs, and videos into continuously fresh context for AI agents and LLM applications.
read the full CocoIndex 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 CocoIndex or pgsync more popular?
CocoIndex has 11,572 GitHub stars and pgsync has 1,421. CocoIndex has the larger community by that measure.
Are CocoIndex and pgsync free?
Both are open source. CocoIndex is licensed under Apache-2.0 and pgsync under MIT. Neither carries a licence fee.
What is the difference between CocoIndex and pgsync?
CocoIndex is written in Rust 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, CocoIndex or pgsync?
Choose CocoIndex if you want the larger community (11,572 stars) or its Apache-2.0 licence terms. Choose pgsync if its feature set, stack or MIT licence fits better. Both are self-hostable.