The Twenty Minute VC (podcast) - Learn about venture capital, startup funding and the pitch
Refined GitHub - Browser extension that makes GitHub cleaner & more powerful
GrowthJob - The largest job board for marketing and sales professionals.
GitZip - Download or create a download link for a GitHub project folder/sub-folder or file.
Cooper - A private professional network for quality intros
GitHub Hovercard - GitHub Hovercard provides neat hovercards for GitHub.