head to head · open source
Calibre-Web-Automated vs anymd
Calibre-Web-Automated has 6,334 GitHub stars, 526 forks, 443 open issues and last shipped yesterday. anymd has 939 stars, 83 forks, 0 open issues and last shipped yesterday. Calibre-Web-Automated leads on adoption by 575% (6,334 vs 939 stars). Calibre-Web-Automated is written in JavaScript under GPL-3.0; anymd is written in Rust under MIT. Calibre-Web-Automated has attracted 8% 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-Automated | anymd | |
|---|---|---|
| GitHub stars | ★ 6.3K | ★ 939 |
| License | GPL-3.0 | MIT |
| Written in | JavaScript | Rust |
| Last push | 2026-09-26 | 2026-09-26 |
| Forks | ⑂ 526 | ⑂ 83 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Calibre-Web-Automated if
- You weight community size — 6.3K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches JavaScript
- 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-Automated
Calibre Web Automated is a free, GPL 3.0, self hosted digital library server distributed as the Docker image crocodilestick/calibre web automated , aimed at self hosters who want one automated service instead of running Calibre and Calibre Web side by side.
read the full Calibre-Web-Automated overview →
About anymd
anymd is an open source Rust MCP server and command line tool that converts PDFs, Word documents, PowerPoint decks, Excel workbooks, EPUB files, HTML and web pages, images, audio and video into clean Markdown for AI agents, running on the user's own machine with no API key.
read the full anymd overview →
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Frequently asked questions
Is Calibre-Web-Automated or anymd more popular?
Calibre-Web-Automated has 6,334 GitHub stars and anymd has 939. Calibre-Web-Automated has the larger community by that measure.
Are Calibre-Web-Automated and anymd free?
Both are open source. Calibre-Web-Automated is licensed under GPL-3.0 and anymd under MIT. Neither carries a licence fee.
What is the difference between Calibre-Web-Automated and anymd?
Calibre-Web-Automated is written in JavaScript 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-Automated or anymd?
Choose Calibre-Web-Automated if you want the larger community (6,334 stars) or its GPL-3.0 licence terms. Choose anymd if its feature set, stack or MIT licence fits better. Both are self-hostable.