Product Hunt - A website that lets users share and discover new products
Makerlog - Makerlog is the dead-simple task log that helps you stay productive and ship faster.
UI Movement - The best UI design inspiration, daily
MakerWidget - An embeddable portfolio for your (side) projects
UI Sources - Mobile design patterns & interaction videos
Indie Hackers - Connect with fellow entrepreneurs, developers, and bootstrappers who are sharing the strategies and revenue numbers behind their companies.