BurnoutIndex - Check your burnout risk. Backed by science, forever-free.
Asana - Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.
How Entrepreneurs Can Prevent Burnout - The handbook for busy founders on how to escape burnout
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
Sunset Health - Personalized, AI-enabled, programs to tackle burnout
Basecamp - A simple and elegant project management system.