Design Principles - An open source repository of design principles and methods
Chipit - Store and tag all your screenshots.
UX Research Field Guide - Your map to the world of UX research 🌏🕵️♀️
Josh Parnham - Software Developer and organiser
Business-Driven Digital Product Design - A guide on how to create influential user experience
Yoink - Yoink is a website that makes it easier to drag and drop images and text from one screen to another. It's a straightforward site with help along the way if you aren't sure about dragging and how to place your content.