Stubborn Illustrations - 30 little exciting stories from the startup world
Streaks - The to-do list that helps you form good habits.
Mixergy Startup Stories - Learn from 1000+ interviews including the Product Hunt story
ProductiveApp.io - Productive is a habit tracking application.
Reboot podcast - CEO's discuss psychological challenges w/ Jerry Colonna
Habit List - Create good habits and break bad ones with the app that keeps you focused.