OS X Portable Applications
OS X FOSS applications packaged as portable so that can carried around on any portable device, USB thumb drive, iPod, portable

Communications
Internet
Multimedia
Office/Business
Text Editors

POIExplorer
POIExplorer downloads and manages POI files (Place Of Interest) for GSP devices like TOMTOM. It can change the picture associated

Multimedia

MythTV Tools
Various tools and scripts to enhance MythTV functionality

Multimedia

ISIS Media and Streaming Management
To start out and build a simple but powerful content management system which deals with Media files to be streamed over

Communications::Streaming
Internet::WWW/HTTP::Site Management
Multimedia

NabazLab
Development environment for the Nabaztag device virtual machine, and daemon to serve content to the device

Games/Entertainment
Internet
Multimedia
Software Development::Cross Compilers
Text Editors::Integrated Development Environments (IDE)

FastICA for JAVA
This project provides a JAVA library which implements the "FastICA" (independent component analysis) algorithm

Multimedia
Scientific/Engineering::Information Analysis
Scientific/Engineering::Mathematics

iMagneto
iMagneto offers functionalities to record video streams and program records who start automaticaly in the future, as a TV

Communications::Streaming
Internet
Multimedia

Java Flash Player
A pure Java player for Macromedia flash animations

Multimedia

SMPlay
MCI based multimedia player. --Written in C with Win32 API

Multimedia

multiLang
I wanted to make a translation software, where you can translate from one language to another language off your choise.

Multimedia
Software Development::Interpreters