Open source writing-tool projects
Every project in the registry tagged writing-tool, ranked by real GitHub adoption.
The world's smartest system-wide grammar assistant; a better version of the Apple Intelligence Writing Tools. Works on Windows, Linux, & macOS, with the free Ge
Neovim plugin for zk
A simple tool for building stories.
A Next.js-based AI writing assistant supporting multiple LLM APIs (OpenAI, Claude, Gemini, etc.) with rich style customization features to help content creators
Frequently asked questions
How many open source writing-tool projects are there?
This registry tracks 4 projects tagged writing-tool, with 4,807 GitHub stars between them. The most-adopted is WritingTools at 2,479 stars.
Are these writing-tool projects free to use?
Yes — 4 of the 4 carry an explicit open-source licence across 2 distinct licences, so there is no licence fee. Where a project also sells a hosted or enterprise version, the self-hosted path remains free.
Which writing-tool project should I choose?
The list above is ranked by GitHub stars, but stars measure attention rather than fit. Check three things on each card: the licence (permissive versus copyleft), the language it is written in, and the last-push date — a high-star project that has not been pushed in a year is a liability.
Are these writing-tool projects still maintained?
3 of the 4 were pushed in the last 90 days, and every card shows its exact last-push date so you can see the rest. Sort your shortlist by that date before committing to a migration.