Calibre
Calibre is an open-source, self-hosted app in the E-books category, licensed GPL-3.0 and written mainly in Python. It is a self-hosted alternative to Kindle and Calibre Cloud. It has 26,254 GitHub stars and its last commit was on Oct 26, 2026 (data as of Oct 26, 2026).
GitHub stats
- GitHub stars
- 26,254
- Forks
- 2,731
- Open issues
- 0
- Commits, last 12 months
- 2,883
- Last commit
- Oct 26, 2026
- Latest release
- v9.17.0Oct 23, 2026
- Created
- May 28, 2013
- License
- GPL-3.0Open source
Data as of from the GitHub API. Report an error
Project health
ActiveActive: last commit Oct 26, 2026, 2,883 commits in 12 months.
- Regular releases10 or more releases in 12 months
- Security policyPublishes a security policy on GitHub
| Last commit | Oct 26, 2026 |
|---|---|
| Commits, last 12 months | 2,883 |
| Latest release | v9.17.0 (Oct 23, 2026) |
| Releases, last 12 months | 10 or more |
| Releases, all time | 356 |
| Open issues | 0 |
| Open pull requests | 7 |
| Good first issues | 0 |
| Contributing guide | No |
| Security policy | Yes |
| Created | May 28, 2013 |
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 Calibre
E-book library manager that can view, convert, and catalog e-books in most of the major e-book formats and provides a built-in Web server for remote clients.
Description adapted from awesome-selfhosted (CC BY-SA 3.0). Source code: github.com/kovidgoyal/calibre.
Topics
- ebook-manager
- calibre
- python
- ebook
- ebooks
- ebook-reader
- ebook-formats
- epub
- kindle
- epub-generation
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Is Calibre free and open source?
Yes. Calibre is open-source software released under the GPL-3.0 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 Calibre with Docker?
Calibre does not list an official Docker image. It installs natively (Python and deb), so follow the install steps in its README or look for a community-maintained container.
What are the best alternatives to Calibre?
Popular self-hosted alternatives to Calibre include Calibre Web, Audiobookshelf and Kavita. Calibre itself is a self-hosted alternative to Kindle and Calibre Cloud.
Is Calibre actively maintained?
The most recent commit to Calibre was on Oct 26, 2026 with 2,883 commits in the past twelve months. The latest release is v9.17.0, published Oct 23, 2026. It had 0 open issues on GitHub. appsgit's project-health label for it is "Active" as of Oct 26, 2026.