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Livesplit - A simple program that allows you to download splits from games and count your game time. Mostly really useful for speedrunners.
PSound - Use this tool to play and extract sounds from PS1 and 2 games.
Game Archive UnPacker - This program allows you to view and extract some specific resources from some kind of "Game Resource Archives."
BF Repacker - This program allows you to unpack and repack .bf files from the trilogy.
Sphere's Blender PoP Plugin - A Blender plugin that allows you to view 3D models of the files extracted with BF Repacker.