head to head · open source
calibre-web vs anymd
calibre-web has 18,554 GitHub stars, 1,907 forks, 409 open issues and last shipped 1 months ago. anymd has 1,069 stars, 93 forks, 0 open issues and last shipped 5 days ago. calibre-web leads on adoption by 1,636% (18,554 vs 1,069 stars). calibre-web is written in Fluent under GPL-3.0; anymd is written in Rust under MIT. calibre-web has attracted 10% as many forks as stars, anymd 9%. anymd was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (epub), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| calibre-web | anymd | |
|---|---|---|
| GitHub stars | ★ 19K | ★ 1.1K |
| License | GPL-3.0 | MIT |
| Written in | Fluent | Rust |
| Last push | 2026-10-10 | 2026-11-07 |
| Forks | ⑂ 1.9K | ⑂ 93 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick calibre-web if
- You weight community size — 19K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches Fluent
- You value the larger contributor base for long-term maintenance
pick anymd if
- You want the anymd feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Rust
- You evaluated both and anymd fits your workflow better
About calibre-web
Calibre Web Calibre Web is a web app that offers a clean and intuitive interface for browsing, reading, and downloading eBooks using a valid Calibre database. Table of Contents (click to expand) 1. About 2. Features 3. Installation Installation via pip (recommended) Quick start Requirements 4. Docker Images 5. Troubleshooting 6. Contributor Recognition 7. Contact 8. Contributing to Calibre Web This software is a fork of library and licensed under the GPL v3 License. Features Modern and responsive Bootstrap 3 HTML5 interface Full graphical setup Comprehensive user management with fine grained per user permissions…
read the full calibre-web overview →
About anymd
anymd PDF, Word, PowerPoint, Excel, EPUB, HTML and web pages, images (OCR), audio and video (metadata, subtitles, transcripts). A fast Rust MCP server and CLI that runs on your machine. No API key. Install · Benchmarks · Tools · CLI · Formats · Docs Formerly pdf reader mcp . Migrating from pdf reader mcp A real, unedited terminal recording (asciinema + agg, script ). The last command is Claude Code answering from the PDF through the anymd MCP server. Why anymd Fast. Native Rust converts in parallel, page by page. On the 19 benchmark documents every tool converted, anymd takes 12.1 s in total; docling 1,723.3 s…
read the full anymd overview →
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Frequently asked questions
Is calibre-web or anymd more popular?
calibre-web has 18,554 GitHub stars and anymd has 1,069. calibre-web has the larger community by that measure.
Are calibre-web and anymd free?
Both are open source. calibre-web is licensed under GPL-3.0 and anymd under MIT. Neither carries a licence fee.
What is the difference between calibre-web and anymd?
calibre-web is written in Fluent and anymd in Rust. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, calibre-web or anymd?
Choose calibre-web if you want the larger community (18,554 stars) or its GPL-3.0 licence terms. Choose anymd if its feature set, stack or MIT licence fits better. Both are self-hostable.