Studio1 - Automate your screencast videos for customer support.
Vidrio - Holographic screencasting app for Mac. Free for COVID-19
Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Scrimba - Interactive coding screencasts created in an instant
Fogbender - All existing support tools are built for talking to a single user.
GoRails - Ruby on Rails screencasts for Web Developers