100 in 100 Challenge - Get 100 new paid users in 100 days
GitZip - Download or create a download link for a GitHub project folder/sub-folder or file.
GrowthHackList - 100+ curated growth hacks for makers + early stage startups
Refined GitHub - Browser extension that makes GitHub cleaner & more powerful
Marketing Examples - A gallery of real world marketing case studies. Updated every day.
GitHub Hovercard - GitHub Hovercard provides neat hovercards for GitHub.