Downloads

NetPONG
Two player network pong for Linux. (Open Source)
http://www.libsdl.org/projects/netpong/

Plasma Pong
A variation on Pong. Offers the download, video, and screenshots.
http://www.plasmapong.com/

Ploing
A 3D version of 'Pong' for Windows that almost resembles pinball.
http://membres.lycos.fr/plong/

The Stars Development Company: Pong Ultra
Describes open source remake for PC, with download, screenshots, maps, and editing tutorial.
http://pongu.sourceforge.net/