Better Notes - Simple notes app that ties notes together with #hashtags
Nifty - Manage projects, work, and communications in one place.
Great F*cking Startup Advice - Strongly worded suggestions for startup founders
ZenHub - ZenHub is how the world's best software teams work together. Trusted by NASA, Docker, and Rackspace. Start free today!
Whimsical - The visual workspace for teams.
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.