head to head · open source
Elasticsearch vs postgres
Elasticsearch has 77,926 GitHub stars, 26,071 forks, 6,059 open issues and last shipped today. postgres has 8,730 stars, 374 forks, 303 open issues and last shipped 16 days ago. Elasticsearch leads on adoption by 793% (77,926 vs 8,730 stars). Elasticsearch is written in Java under a custom or non-standard licence; postgres is written in JavaScript under Unlicense. Elasticsearch has attracted 33% as many forks as stars, postgres 4%. Elasticsearch 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.
← all 13541 open source comparisons
Side by side
| Elasticsearch | postgres | |
|---|---|---|
| GitHub stars | ★ 78K | ★ 8.7K |
| License | Custom / other | Unlicense |
| Written in | Java | JavaScript |
| Last push | 2026-09-18 | 2026-09-02 |
| Forks | ⑂ 26K | ⑂ 374 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Elasticsearch if
- You weight community size — 78K stars and counting
- You want the Custom / other license terms
- Your stack matches Java
- You value the larger contributor base for long-term maintenance
pick postgres if
- You want the postgres feature set and don't need the biggest community
- You prefer the Unlicense license terms
- Your stack matches JavaScript
- You evaluated both and postgres fits your workflow better
About Elasticsearch
Elasticsearch is a distributed search and analytics engine built in Java, designed for near real time search, scalability, and high performance data querying on production workloads. It serves as the core storage and indexing layer of Elastic’s open stack and supports full text, structured, and vector based search.
read the full Elasticsearch overview →
About postgres
Postgres.js is a full featured PostgreSQL client for JavaScript and TypeScript runtimes — Node.js, Deno, Bun and Cloudflare — published to npm as postgres , and it is aimed at developers who need to query a PostgreSQL database from application code without adopting a heavier ORM or query builder.
read the full postgres overview →
More in Infrastructure & Operations
Related comparisons
More Search Engines projects
Compare either of these against the rest of the Search Engines field.
Frequently asked questions
Is Elasticsearch or postgres more popular?
Elasticsearch has 77,926 GitHub stars and postgres has 8,730. Elasticsearch has the larger community by that measure.
Are Elasticsearch and postgres free?
Both are open source. Elasticsearch has no licence declared in this registry, and postgres is licensed under Unlicense. Both are free to self-host.
What is the difference between Elasticsearch and postgres?
Elasticsearch is written in Java and postgres in JavaScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Elasticsearch or postgres?
Choose Elasticsearch if you want the larger community (77,926 stars) or its Custom / other licence terms. Choose postgres if its feature set, stack or Unlicense licence fits better. Both are self-hostable.