Habitica - Habitica is a free habit building and productivity application.
groupy - Groupy enables you to drag and drop application windows together to group them together under a common tabbed interface.
Loop Habit Tracker - Loop Habit Tracker (AKA uhabits) helps to create and maintain good habits in order to achieve their...
QTTabBar - QTTabBar is an extension for Windows Explorer that brings tabbed browsing to Microsoft's file...
Flow Dashboard - Habit, task & goal tracking + quantified self
BrightExplorer - Add a tabbed interface to Windows Explorer.