cross over

Is a GPL licensed, cross platform multitrack audio recording and editing suite.

CRON-O-Meter is free, open source, and cross-platform dieting software.

MetaMix is a cross between a musical compositionm.

Mars24 is a cross-platform Java application which displays a Mars "sunclock".

GanttPV - Project Scheduling Software (scriptable, cross-platform, open source)

Access your music collection over your home network.

Voice-over-internet phone and chat software.

Previously known as HoverZoom Safari Extension. Mouse-over to images to enlarge them (was HoverZoom).

Transfer files over Rendezvous network.

Chat and share files over intranet or Internet.