Great F*cking Startup Advice - Strongly worded suggestions for startup founders
Invision - Prototyping and collaboration for design teams
Startup Notes - Most actionable advice from each Startup School speaker
Mockuuups Studio - Fast and easy way to create product mockups on macOS, Windows and Linux.
First Search - The world's best startup advice, curated and searchable.
Craftwork - A collection of User Interface resources made by Craftwork