Screencastify - Free screen recorder extension for Chrome. Capture, edit and share screencasts. No software download required. Works on Mac, Windows and Chromebooks. Screen RecorderFree screen recorder for Chrome.
Zapsnap - Temporary peer to peer screenshot sharing in your browser
SketchCasts - A weekly screencast, all about how to use Sketch
LongLiveSS - A clean way of saving screenshots at regular intervals
GoRails - Ruby on Rails screencasts for Web Developers
Mark And Scribble - Fortify your presentation skill by Mark And Scribble.