Camtasia

Camtasia is a strong match for the concept of an asynchronous video communication platform, particularly excelling in screen recording and video editing. It offers robust features for capturing screen and camera, extensive editing capabilities, and options for sharing and collaboration. While it doesn't emphasize 'instant shared links' in the same way Loom does (it's more of a desktop application with sharing features), it does provide sharing options. The platform also includes advanced features like AI-powered tools, which go beyond basic video communication, and offers team collaboration features like shared collections and comments.