Evernote – No more sticky notes!
MindMaple Lite – How I mind map on my Mac. It’s light and stays out of my way so I can get ideas down quickly and organize them later.
Duet Display – This app, along with a free companion Mac app, lets you use your iPad or iPhone as a second display for your Mac. Unlike the wifi options out there, like Air Display 2, Duet uses your devices lightning cable to transmit the video data making the second display perform much more like a true external display.
Knock – Unlocks your Mac without having to type in a password.
DaisyDisk – Quickly scan your Mac’s storage and find out what’s taking up all of its space.