Aleph
Aleph is an open-source, self-hosted app in the Search Engines category, licensed MIT and written mainly in JavaScript. It ships a Docker image. It has 2,482 GitHub stars and its last commit was on Feb 20, 2026 (data as of Oct 26, 2026).
GitHub stats
- GitHub stars
- 2,482
- Forks
- 367
- Open issues
- 266
- Commits, last 12 months
- 6
- Last commit
- Feb 20, 2026
- Latest release
- 4.1.7Oct 27, 2025
- Created
- Aug 27, 2014
- License
- MITOpen source
Data as of from the GitHub API. Report an error
Project health
MaintainedMaintained: last commit Feb 20, 2026.
- Welcomes contributors13 open good-first-issue or help-wanted issues and a contributing guide
- Security policyPublishes a security policy on GitHub
| Last commit | Feb 20, 2026 |
|---|---|
| Commits, last 12 months | 6 |
| Latest release | 4.1.7 (Oct 27, 2025) |
| Releases, last 12 months | 1 |
| Releases, all time | 39 |
| Open issues | 266 |
| Open pull requests | 106 |
| Good first issues | 13 |
| Contributing guide | Yes |
| Security policy | Yes |
| Created | Aug 27, 2014 |
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 Aleph
Tool for indexing large amounts of both documents (PDF, Word, HTML) and structured (CSV, XLS, SQL) data for easy browsing and search. It is built with investigative reporting as a primary use case.
Description adapted from awesome-selfhosted (CC BY-SA 3.0). Source code: github.com/alephdata/aleph.
Topics
- python
- data-search
- graph-database
- journalism
- osint
- investigative-journalism
Repository preview
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Is Aleph free and open source?
Yes. Aleph is open-source software released under the MIT 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 Aleph with Docker?
Yes. Aleph 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 Aleph?
Popular self-hosted alternatives to Aleph include ElasticSearch, MeiliSearch and SearXNG.
Is Aleph actively maintained?
The most recent commit to Aleph was on Feb 20, 2026 with 6 commits in the past twelve months. The latest release is 4.1.7, published Oct 27, 2025. It had 266 open issues on GitHub. appsgit's project-health label for it is "Maintained" as of Oct 26, 2026.