Easy-to-learn 3D software tool

Google SketchUp: "Developed for the conceptual stages of design, Google SketchUp is a powerful yet easy-to-learn 3D software tool that combines a simple, yet robust tool-set with an intelligent drawing system that streamlines and simplifies 3D design. From simple to complex, conceptual to realistic, Google SketchUp enables you to build and modify 3D models quickly and easily. If you use Google Earth, Google SketchUp allows you to place your models using real-world coordinates and share them with the world using the Google 3D Warehouse"

PeerStream 4 Server

Advanced Audio and Video Streaming Software: "The ultimate streaming solution supporting Linux, Solaris, Windows; streaming all audio-media (MP3, OGG, AAC, RealAudio, WMA, ...) all video media formats (RIFF AVI including DivX 3/4/5, Microsoft ASF/ASX/WMV, Apple QuickTime, RealNetworks RealVideo, Macromedia Shockwave, all other, not directly supported formats via the custom configuration possibilities) using all streaming methods (Unicast, Multicast/Live Podcast, UPnP™ shares, P2P/distributed network streams)"