Violentmonkey
Violentmonkey provides userscripts support for browsers. It works on browsers with WebExtensions support.
More details can be found here.
Related projects
Development
Make sure Node.js greater than v8.0 is installed.
$ yarn
$ yarn run dev
# or
$ npm i
$ npm run dev
Then load the extension from 'dist/'.
Build
$ yarn
$ yarn run build
# or
$ npm i
$ npm run build