Design Principles - An open source repository of design principles and methods
Sourceful - A search engine for publicly-sourced Google docs
UX Research Field Guide - Your map to the world of UX research 🌏🕵️♀️
Gamayun - An AI tool that researches and summarizes any topic for you
UX Design Weekly - The best user experience links each week to your inbox
CareKit by Apple - Open source software framework for creating health apps