Rainglow Color Themes - 320+ color themes for a variety of editors and software.
Slack Status Icons - A custom set of status emojis for Slack
Slack Themes - Make your Slack pretty with custom themes
Webfont - Easily create and maintain custom SVG icon fonts
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.
IcoMoon - IcoMoon is an icon management tool that is build to provide iconography.