The Startup Way - The new book from Eric Ries, author of The Lean Startup
GrowthHackers Projects - Growth collaboration software for teams 📈
GrowthHackList - 100+ curated growth hacks for makers + early stage startups
UI Playbook - The documented collection of UI components
Growth Hacking Experiments Template - Growth strategies tightened up as templates you can steal.
UserInterface.io - Weekly UI/UX tips in your inbox for free