Slack - A messaging app for teams who see through the Earth!
Rainglow Color Themes - 320+ color themes for a variety of editors and software.
Slack for Mac - A new, improved Slack desktop app for Mac
Slack Themes - Make your Slack pretty with custom themes
Workplace by Facebook - Connect everyone in your company and turn ideas into action.
eM Client - eM Client is a fully-featured email client for Windows and macOS with a clean and easy-to-use interface. eM Client also offers features for calendars, tasks, contacts, notes, and chat.