head to head · open source
calibre-web vs Lingo.dev
calibre-web has 18,530 GitHub stars, 1,902 forks, 409 open issues and last shipped 26 days ago. Lingo.dev has 5,402 stars, 811 forks, 34 open issues and last shipped 2 days ago. calibre-web leads on adoption by 243% (18,530 vs 5,402 stars). calibre-web is written in Fluent under GPL-3.0; Lingo.dev is written in TypeScript under Apache-2.0. calibre-web has attracted 10% as many forks as stars, Lingo.dev 15%. Lingo.dev 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.
← all 20902 open source comparisons
Side by side
| calibre-web | Lingo.dev | |
|---|---|---|
| GitHub stars | ★ 19K | ★ 5.4K |
| License | GPL-3.0 | Apache-2.0 |
| Written in | Fluent | TypeScript |
| Last push | 2026-10-10 | 2026-11-03 |
| Forks | ⑂ 1.9K | ⑂ 811 |
| 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 Lingo.dev if
- You want the Lingo.dev feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and Lingo.dev 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 Lingo.dev
Open source localization engineering tools. Connect to Lingo.dev localization engineering platform for consistent, quality translations. Lingo API • Lingo React MCP • Lingo CLI • Lingo GitHub Action • Lingo Compiler for React (Early alpha) Quick Start Localization engines These tools connect to localization engines – stateful translation APIs you create on the Lingo.dev localization engineering platform. Each engine persists glossaries, brand voice, and per locale instructions across every request, reducing terminology errors 16.6–44.6%. Or bring your own LLM. Lingo.dev MCP Setting up i18n in React apps is error…
read the full Lingo.dev overview →
More in Content & Publishing
Related comparisons
More Publishing projects
Compare either of these against the rest of the Publishing field.
Frequently asked questions
Is calibre-web or Lingo.dev more popular?
calibre-web has 18,530 GitHub stars and Lingo.dev has 5,402. calibre-web has the larger community by that measure.
Are calibre-web and Lingo.dev free?
Both are open source. calibre-web is licensed under GPL-3.0 and Lingo.dev under Apache-2.0. Neither carries a licence fee.
What is the difference between calibre-web and Lingo.dev?
calibre-web is written in Fluent and Lingo.dev in TypeScript. 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 Lingo.dev?
Choose calibre-web if you want the larger community (18,530 stars) or its GPL-3.0 licence terms. Choose Lingo.dev if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.