Super Thinking - The big book of mental models
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.
Untools - Hand-picked tools for better thinking
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.
Aware - Aware is a meditation app that guides you with mindfulness meditation, helping you achieve calm and clarity for a healthier and happier you. Know your mind.
Confluence - Confluence is content collaboration software that changes how modern teams work