A screencast is a digital video recording of your computer screen and usually includes audio narration. Screencasts are just one of many different types of instructional videos.

• Screencastify Is a Chrome extension. Maximum length 5 minutes. Integrates with Google Drive. Multiple output formats including audio files.
• Loom - Is a Chrome extension. No maximum length to recordings.
• Screencastomatic - Is a Chrome extension. Maximum length videos is 15 minutes. Requires download software. Stores video on computer device. Run on multiple platforms.