FOVE - An eye tracking virtual reality headset (pre-launch)
BuzzSumo - BuzzSumo allows you to discover the most shared links and key influencers for any topic. It's free to use and you can run a search in seconds!
WebGazer.js - Eye tracking on the browser
Social Status - Automate your social media reporting
Breaks For Eyes - A Mac app to get rid of eye strain, dry eyes and fatigue
Keyhole - Keyhole is a real-time hashtag tracker for Twitter, Instagram and Facebook. Its visual dashboard is simple, beautiful and shareable!