Visual Beat - Interactive music video
Save From Web - Instagram story, photo, and video downloader - Free, online, and one-click download.
stats.fm - With the click of a button you'll be logged with your Spotify account and you'll instantly gain access to a valhalla of cool stats and insights.
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.
SoundViz - Turn music and sounds into beautiful art
InstaDp.info - With InstaDp you can view instagram profile picture for free in full(original) size and download it right away.