Rainglow Color Themes - 320+ color themes for a variety of editors and software.
Nova Launcher - Nova Launcher is an highly customizable, performance driven, home screen replacement for Android 4.
Slack Themes - Make your Slack pretty with custom themes
KISS Launcher - KISS is a fast launcher for your Android.
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.
Evie Launcher - Evie helps you do what you want faster with a radically simple home screen replacement.