Rainglow Color Themes - 320+ color themes for a variety of editors and software.
MongoLab - MongoLab is a fully managed MongoDB Database-as-a-Service platform that automates the operational aspects of running MongoDB in the cloud.
Slack Themes - Make your Slack pretty with custom themes
Mongoku - A neat Web-based GUI for MongoDB
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.
adminMongo - An open source admin user interface for your MongoDB