#quicktime
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Silverback — guerrilla usability testing
£25 usability app for Macs by Clearleft. Uses iSight and exports to QuicktimeCategories
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Perian - A swiss-army knife for QuickTime
Perian is a free plugin that enables QuickTime to play almost every popular video format. -
VisualHub: The Universal Video Converter for Mac.
Especially useful until Adobe release a Universal version of the Flash IDE. -
XviD QuickTime Component
Play DivX/XviD video in Quicktime