# calibre

> Ebook manager

Organize, convert, edit and sync ebooks.

- Source: https://github.com/kovidgoyal/calibre
- Homepage: https://calibre-ebook.com
- License: GPL-3.0
- Language: Python
- Stars: 26054
- Forks: 2712
- Contributors: 405
- Last commit: 2026-10-03
- Latest release: v9.15.0 (2026-09-18)
- Purpose: Media & photos
- Runs on: Desktop
- For: Personal

## Worth score: 81/100

How much DigGitHub recommends it, from activity, adoption, docs, license and security signals.

- Popularity: 22/25
- Momentum: 10/20
- Maintenance: 25/25
- Community: 13/15
- Readiness: 11/15

## Alternatives

- [OBS Studio](https://diggithub.com/obsproject/obs-studio.md): Live streaming and screen recording
- [Godot Engine](https://diggithub.com/godotengine/godot.md): Free 2D and 3D game engine
- [Readest](https://diggithub.com/readest/readest.md): Modern ebook reader
- [VoiceStudio](https://diggithub.com/debpalash/VoiceStudio.md): Fully local ElevenLabs alternative
- [InvokeAI](https://diggithub.com/invoke-ai/InvokeAI.md): Creative engine for Stable Diffusion models
- [Ente](https://diggithub.com/ente/ente.md): End-to-end encrypted photos and 2FA authenticator
- [OpenCut](https://diggithub.com/OpenCut-app/OpenCut.md): Open-source CapCut alternative
- [Koodo Reader](https://diggithub.com/koodo-reader/koodo-reader.md): Modern ebook manager and reader

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Source page: https://diggithub.com/kovidgoyal/calibre
Updated: 2026-10-03