Harper
Harper is a fast grammar and spell checker that runs entirely on your own computer, so nothing you write is sent anywhere. It works in code editors and as a browser add-on, in English.
How hard it is to start using it. Easy: install it like a normal app, or use it in your browser. Advanced: you run it on your own server, use the command line, or it is a tool for developers.
Features
Listed in
English only; runs on your computer; fewer style tips
How to help
AI contributionsNon-developers welcome
The pull-request form asks how much AI was used, with options up to "an agent did it on its own", and gives no rule against any of them.
“- [ ] I am an agent or I got an agent to do the work autonomously.” Read it
Welcomes pull requests.