Habitica - Habitica is a free habit building and productivity application.
Typora - A minimal Markdown reading & writing app.
Coach.me - Coach.me is a coach that goes everywhere with you, helping you achieve any goal, change any habit, or build any expertise.
Dillinger - joemccann has 95 repositories available. Follow their code on GitHub.
Loop Habit Tracker - Loop Habit Tracker (AKA uhabits) helps to create and maintain good habits in order to achieve their...
StackEdit - Full-featured, open-source Markdown editor based on PageDown, the Markdown library used by Stack Overflow and the other Stack Exchange sites.