Skads PokeDex TCG

Offers a downloadable pokedex for the Pokemon card game.
http://www.skads.com

Pokemon PC

Includes downloads, screenshots, and forums for this Windows game.
http://www.spiritedtechnology.com/pokemonpc.htm

Pokemon NetBattle

Battle Pokemon online with other players. Battling is just like the Pokemon Game Boy Games. This program is a Windows-based Pokemon Battle Simulator.
http://www.tvsian.com/netbattle/