Moom - Move your mouse over the green zoom button in any window, and Moom's mouse control overlay will appear (as seen in the above animation).
Documentator - We make documenting your product a piece of cake 📘
Hammerspoon - This is a tool for powerful automation of OS X.
UnMarkDocs - Unleash the Power of Markdown to Write Better Product Documentation
Spectacle App - Move and resize windows with ease.
You Need A Wiki - Create a wiki with Google Docs