Things
I use this as my main to-do app. It's really well designed
Soulver 3 - Notepad Calculator App for Mac & iPad
Super intuitive & clean notepad that lets you write in natural language to figure out math stuff
Eagle - Organize all your reference images in one place
I use this to organize/tag all my visual inspo + I also use it as a font organizer/manager.
Pixelmator Pro
Faster & easier to use than Photoshop for most tasks, and is a one-time purchase