head to head · open source
lerna vs calibre-web
lerna has 36,053 GitHub stars, 2,265 forks, 287 open issues and last shipped yesterday. calibre-web has 18,198 stars, 1,860 forks, 409 open issues and last shipped 13 days ago. lerna leads on adoption by 98% (36,053 vs 18,198 stars). lerna is written in TypeScript under MIT; calibre-web is written in Fluent under GPL-3.0. lerna has attracted 6% as many forks as stars, calibre-web 10%. lerna was the more recently maintained of the two, and both are self-hostable with no licence fee.
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
| lerna | calibre-web | |
|---|---|---|
| GitHub stars | ★ 36K | ★ 18K |
| License | MIT | GPL-3.0 |
| Written in | TypeScript | Fluent |
| Last push | 2026-09-17 | 2026-09-05 |
| Forks | ⑂ 2.3K | ⑂ 1.9K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick lerna if
- You weight community size — 36K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick calibre-web if
- You want the calibre-web feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches Fluent
- You evaluated both and calibre-web fits your workflow better
About lerna
Lerna is a fast, modern build system for managing and publishing multiple JavaScript/TypeScript packages from the same repository, aimed at teams that maintain monorepos and publish packages to npm.
read the full lerna overview →
About calibre-web
Calibre Web is a web application that provides a clean and intuitive interface for browsing, reading, and downloading eBooks from a valid Calibre database. It is a fork of the library project (calibreserver) and is licensed under the GPL v3. The project lives in the Calibre ecosystem, and it is distributed through PyPI as the calibreweb package as well as through Docker images. It has been developed for over eleven years and carries roughly 18,183 stars and 1,856 forks on GitHub.
read the full calibre-web overview →
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Frequently asked questions
Is lerna or calibre-web more popular?
lerna has 36,053 GitHub stars and calibre-web has 18,198. lerna has the larger community by that measure.
Are lerna and calibre-web free?
Both are open source. lerna is licensed under MIT and calibre-web under GPL-3.0. Neither carries a licence fee.
What is the difference between lerna and calibre-web?
lerna is written in TypeScript and calibre-web in Fluent. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, lerna or calibre-web?
Choose lerna if you want the larger community (36,053 stars) or its MIT licence terms. Choose calibre-web if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.