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.
- Search Engines
- Java
- Apache-2.0
- Docker
- Actively maintained
GitHub stats
- GitHub stars
- 1,681
- Forks
- 863
- Open issues
- 0
- Commits, last 12 months
- 844
- Last commit
- Oct 6, 2026
- Latest release
- No releases
- Created
- Feb 23, 2021
Data from the GitHub API, refreshed daily.
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. Apache Solr is open source under the Apache-2.0 license and written mainly in Java, so you can read the code, run it on your own hardware and keep full control of your data.
The project has 1,681 stars and 863 forks on GitHub, with 844 commits over the last year. It ships a Docker image, which makes it a good fit for a small VPS or a home server running Docker Compose.
Topics
- lucene
- solr
- search
- nosql
- java
- backend
- search-engine
- information-retrieval
Repository preview
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What is Apache Solr?
Apache Solr is a free, open-source app you can host on your own server, listed in our Search Engines category. Enterprise search platform featuring full-text search, hit highlighting, faceted search, real-time indexing, dynamic clustering, and rich document (e.g., Word, PDF) handling. The source code lives at github.com/apache/solr, where it has 1,681 stars.
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 open-source alternatives to Apache Solr include ElasticSearch, MeiliSearch and SearXNG.
Is Apache Solr actively maintained?
The most recent commit to Apache Solr was on Oct 6, 2026 with 844 commits in the past twelve months. Check the open issues on GitHub to gauge how quickly maintainers respond.