Rainglow Color Themes - 320+ color themes for a variety of editors and software.
growth.email - Weekly curated email with the best growth marketing articles
Slack Themes - Make your Slack pretty with custom themes
Great Email Copy - A dose of emails from around the web.
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.
GrowthHackingIdea.com - One short, curated growth hacking idea a day to your email