UI Playbook - The documented collection of UI components
Shipping Report - Project progress from developer activity
GrowthHackList - 100+ curated growth hacks for makers + early stage startups
UserInterface.io - Weekly UI/UX tips in your inbox for free
50 UI Tips - Improve your UI/UX skills in an hour, for free
Teamweek - A project management software to help you get the best overview. Plan fast, change plans faster!