Apache Solr
Apache Solr is an open-source, self-hosted app in the Search Engines category, licensed Apache-2.0 and written mainly in Java. It ships a Docker image. It has 1,691 GitHub stars and its last commit was on Oct 25, 2026 (data as of Oct 26, 2026).
GitHub stats
- GitHub stars
- 1,691
- Forks
- 867
- Open issues
- 0
- Commits, last 12 months
- 992
- Last commit
- Oct 25, 2026
- Latest release
- No releases
- Created
- Feb 23, 2021
- License
- Apache-2.0Open source
Data as of from the GitHub API. Report an error
Project health
ActiveActive: last commit Oct 25, 2026, 992 commits in 12 months.
- Security policyPublishes a security policy on GitHub
| Last commit | Oct 25, 2026 |
|---|---|
| Commits, last 12 months | 992 |
| Latest release | No GitHub releases |
| Releases, last 12 months | 0 |
| Releases, all time | 0 |
| Open issues | 0 |
| Open pull requests | 270 |
| Good first issues | 0 |
| Contributing guide | Yes |
| Security policy | Yes |
| Created | Feb 23, 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 Apache Solr
Enterprise search platform featuring full-text search, hit highlighting, faceted search, real-time indexing, dynamic clustering, and rich document (e.g., Word, PDF) handling.
Description adapted from awesome-selfhosted (CC BY-SA 3.0). Source code: github.com/apache/solr.
Topics
- lucene
- solr
- search
- nosql
- java
- backend
- search-engine
- information-retrieval
Repository preview
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Is Apache Solr free and open source?
Yes. Apache Solr 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 Apache Solr with Docker?
Yes. Apache Solr 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 Apache Solr?
Popular self-hosted alternatives to Apache Solr include ElasticSearch, MeiliSearch and SearXNG.
Is Apache Solr actively maintained?
The most recent commit to Apache Solr was on Oct 25, 2026 with 992 commits in the past twelve months. It had 0 open issues on GitHub. appsgit's project-health label for it is "Active" as of Oct 26, 2026.