Grammarly - Clear, effective, mistake-free writing everywhere you type.
PullReminders - Review and release pull requests faster with Slack reminders and metrics.
LanguageTool - Free proofreading tool for OpenOffice, LibreOffice, Firefox, and Chrome.
emacs-slack - slack client for emacs. Contribute to yuya373/emacs-slack development by creating an account on GitHub.
Hunspell - Hunspell is the spell checker of LibreOffice, OpenOffice.
Wey - Fast open source Slack desktop app