OpenSearch
OpenSearch is an open-source, self-hosted app in the Search Engines category, licensed Apache-2.0 and written mainly in Java. It is a self-hosted alternative to Algolia and ships a Docker image. It has 13,906 GitHub stars and its last commit was on Oct 25, 2026 (data as of Oct 26, 2026).
GitHub stats
- GitHub stars
- 13,906
- Forks
- 2,995
- Open issues
- 2,571
- Commits, last 12 months
- 1,468
- Last commit
- Oct 25, 2026
- Latest release
- 3.9.0Sep 29, 2026
- Created
- Jan 29, 2021
- License
- Apache-2.0Open source
Data as of from the GitHub API. Report an error
Project health
ActiveActive: last commit Oct 25, 2026, 1,468 commits in 12 months.
- Regular releases10 or more releases in 12 months
- Welcomes contributors82 open good-first-issue or help-wanted issues and a contributing guide
- Security policyPublishes a security policy on GitHub
| Last commit | Oct 25, 2026 |
|---|---|
| Commits, last 12 months | 1,468 |
| Latest release | 3.9.0 (Sep 29, 2026) |
| Releases, last 12 months | 10 or more |
| Releases, all time | 72 |
| Open issues | 2,571 |
| Open pull requests | 727 |
| Good first issues | 68 |
| Contributing guide | Yes |
| Security policy | Yes |
| Created | Jan 29, 2021 |
Health as of , from the GitHub API. A label describes activity, not quality or security. How we label project health · Report a data error
About OpenSearch
Distributed and RESTful search engine.
Description adapted from awesome-selfhosted (CC BY-SA 3.0). Source code: github.com/opensearch-project/OpenSearch.
Topics
- search
- search-engine
- analytics
- java
- foss
- apache2
Open-source alternative to
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Is OpenSearch free and open source?
Yes. OpenSearch is open-source software released under the Apache-2.0 license, so you can self-host it at no cost. You only pay for the server it runs on, and some projects also offer an optional paid cloud plan.
Can I run OpenSearch with Docker?
Yes. OpenSearch provides a Docker image, so you can run it on any Linux server with Docker and Docker Compose installed. The project README lists the image name and the environment variables to set.
What are the best alternatives to OpenSearch?
Popular self-hosted alternatives to OpenSearch include ElasticSearch, MeiliSearch and SearXNG. OpenSearch itself is a self-hosted alternative to Algolia.
Is OpenSearch actively maintained?
The most recent commit to OpenSearch was on Oct 25, 2026 with 1,468 commits in the past twelve months. The latest release is 3.9.0, published Sep 29, 2026. It had 2,571 open issues on GitHub. appsgit's project-health label for it is "Active" as of Oct 26, 2026.