Contributions for GitHub - Show your GitHub contributions graph on your iOS Devices
Pika.style - A free tool to quickly convert screenshots into beautiful website and device mockups. You can create customizable images for App Store, Instagram, and more
GitHub Visualizer - Enter user/repo and see the project visually
Supasnap - Beautify your screenshots instantly.
GitHub Gardener - Daily, automated commits that turn your GitHub green
Xnapper - Take beautiful screenshots instantly