Gitstalk - Discover what your favorite GitHub users are up to
Save From Web - Instagram story, photo, and video downloader - Free, online, and one-click download.
Octoview - The missing preview feature for GitHub
Instander - Instander is a free modification of the Instagram app for android. It contains many improvements over the original application. Instander has a lot of different improvements that give the user an edge over other Instagram users.
CodeBottle - MIT-licensed reusable code snippets
InstaDp.info - With InstaDp you can view instagram profile picture for free in full(original) size and download it right away.