Elisi - Elisi – Digital Bullet Journal app allows the user to track their week by making plans and to-do lists.
Startup School - How to start a startup, by Y Combinator
goalmap - A brand new goal-setting app
YC World - Explore Y Combinator companies by country
HabitMinder - Change your habits, change your life! Your healthy habit reminder and tracker.
Apply to YC (Y Combinator) - Curated collection of resources for founders applying to YC.