Camtasia for Mac 1.2 is now available at the Mac App Store. It requires Mac OS X 10.5.6 or higher, QuickTime 7.5.5 or later, and costs US$99.
Camtasia for Mac is TechSmith’s (http://www.techsmith.com) screen recording and video editing software that allows users to make screencasts — recordings of presentations done on computer screens.
With Camtasia, users can record onscreen activity, keynote slides, camera video, microphone or system audio. Users can also record in front of a live audience or at their desk. For education and compliance purposes, Camtasia for Mac has captioning capabilities, among other features.