Update, install and manage Tex Live Manager from an intuitive UI.
Windows Live Mesh - keep the folders you choose in sync across your computers.
Free tool to generate a live "green screen" composite (AKA "chroma key") during a video shoot.
Veescope Live give you live chroma keying at a fraction of the cost of a dedicated hardware chroma keyer.
It is a MIDI effect of Liquid Notes that plugs directly into Ableton Live.