JAdex - Developing free java games such as Bomb Field, Alien Invaders, and Crossfire.

J&S Java Projects - Java games and programs including Minesweeper, Yahtzee, and Straight Dominoes.

Jester Interactive - Music software developers, games include MTV Generator.

J&J Software - A brief history of two video game designers back in the eighties and early nineties. Games produced for the BBC, ST & Amiga.