Vidrio - Holographic screencasting app for Mac. Free for COVID-19
GoRails - Ruby on Rails screencasts for Web Developers
Scrimba - Interactive coding screencasts created in an instant
Nsscreencast - Weekly bite-sized screencasts on iOS development.
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.
recordit.co - Make a short video capture of your desktop as a gif.