Contra Wireframe Kit - Open source wireframe kit for design and prototyping ๐
Design Principles - An open source repository of design principles and methods
Source Wireframe Kit - Library of 537 blocks for desktop and mobile prototyping
UX Research Field Guide - Your map to the world of UX research ๐๐ต๏ธโโ๏ธ
Platforma - Wireframe library of layouts and UI elements
UX Design Weekly - The best user experience links each week to your inbox