Overleaf - The online platform for scientific writing. Overleaf is free: start writing now with one click. No sign-up required. Great on your iPad.

Habitica - Habitica is a free habit building and productivity application.

TeXworks - The TeXworks project is an effort to build a simple TeX front-end program (working environment)...

Coach.me - Coach.me is a coach that goes everywhere with you, helping you achieve any goal, change any habit, or build any expertise.

Fidus Writer - Fidus Writer is an online collaborative LaTeX editor especially made for academics who need to use...

Loop Habit Tracker - Loop Habit Tracker (AKA uhabits) helps to create and maintain good habits in order to achieve their...