100 in 100 Challenge - Get 100 new paid users in 100 days
Documize - Enterprise-grade wiki and knowledge management platform
GrowthHackList - 100+ curated growth hacks for makers + early stage startups
HackMD - Fast and flexible, real-time collaborative markdown, inspired by Hackpad.
Marketing Examples - A gallery of real world marketing case studies. Updated every day.
ReadTheDocs - Spend your time on writing high quality documentation, not on the tools to make your documentation work.