classic-games.com
KRISTOFs VECTREX PAGE FOR NEW GAMES: Vectrex games written by Kristof Tuts
Classic Game Creations: Perhaps the best Vectrex site on the net! Warning: Frames!
myvectrex: New vectrex games, along with source code and development info
Vectrex Game Development: Development info and a new version of Star Castle
6809 Instruction Set: An instruction set reference for the Motorola 6809 CPU used in the Vectrex.