head to head · open source

Calibre-Web-Automated vs WritingTools

Calibre-Web-Automated has 6,547 GitHub stars, 565 forks, 443 open issues and last shipped 27 days ago. WritingTools has 2,480 stars, 165 forks, 79 open issues and last shipped 3 months ago. Calibre-Web-Automated leads on adoption by 164% (6,547 vs 2,480 stars). Calibre-Web-Automated is written in JavaScript under GPL-3.0; WritingTools is written in Swift under GPL-3.0. Calibre-Web-Automated has attracted 9% as many forks as stars, WritingTools 7%. Calibre-Web-Automated 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.

Calibre-Web-Automated ★ 6.5K WritingTools ★ 2.5K category Content & Publishing

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Side by side

Calibre-Web-Automated WritingTools
GitHub stars ★ 6.5K ★ 2.5K
License GPL-3.0 GPL-3.0
Written in JavaScript Swift
Last push 2026-10-09 2026-08-19
Forks ⑂ 565 ⑂ 165
Self-hosting Yes Yes
Data ownership Your server Your server

pick Calibre-Web-Automated if

  • You weight community size — 6.5K 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

full Calibre-Web-Automated profile →

pick WritingTools if

  • You want the WritingTools feature set and don't need the biggest community
  • You prefer the GPL-3.0 license terms
  • Your stack matches Swift
  • You evaluated both and WritingTools fits your workflow better

full WritingTools profile →

About Calibre-Web-Automated

Calibre Web Automated (formerly Calibre Web Automator) Making Calibre Web your dream , all in one self hosted digital library solution. Supporting the Project ❤️ CWA is and always will be free and open source. If it makes your library life easier and you're able to support development, contributions go directly to: Testing hardware (ereader devices & tablets ect.) Development tools and infrastructure Coffee ☕ (lots of coffee) Quick Access Features 🪄 Releases 🆕 Roadmap 🛣️ How to Install: 📖 Quick Install 🚀 Docker Compose 🐋⭐(Recommended) Users Migrating from stock Calibre Web 🔄 Post Install Tasks 🏁 Default…

read the full Calibre-Web-Automated overview →

About WritingTools

Writing Tools 🍎 Using a Mac? Jump to the macOS (Native Swift Port) section → macOS Instantly proofread and optimize your writing system wide with AI: Summarize content (webpages, YouTube videos, documents...) in a click: Add your own buttons for unlimited potential! ✨ What is Writing Tools? Writing Tools is an Apple Intelligence inspired application for Windows, Linux, and macOS that supercharges your writing with an AI LLM (cloud based or local). With one hotkey press system wide, it lets you fix grammar, optimize text according to your instructions, summarize content (webpages, YouTube videos, etc.), and…

read the full WritingTools overview →

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Frequently asked questions

Is Calibre-Web-Automated or WritingTools more popular?

Calibre-Web-Automated has 6,547 GitHub stars and WritingTools has 2,480. Calibre-Web-Automated has the larger community by that measure.

Are Calibre-Web-Automated and WritingTools free?

Both are open source. Calibre-Web-Automated is licensed under GPL-3.0 and WritingTools under GPL-3.0. Neither carries a licence fee.

What is the difference between Calibre-Web-Automated and WritingTools?

Calibre-Web-Automated is written in JavaScript and WritingTools in Swift. 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 WritingTools?

Choose Calibre-Web-Automated if you want the larger community (6,547 stars) or its GPL-3.0 licence terms. Choose WritingTools if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.