Tools

GCA Extractor
Extract .dat files from Resident Evil 4

RE4 Modding Tools 2007
All you need to mod RE4, except for GCA Extractor

RE4 SDK
SDK for RE4 2007

Arc Tool DMC4SE
Extract .arc files from Devil May Cry 4 Special Edition

Devil May Cry 3 Modding Tools
Texture modding is possible with the tools in this.

ZDL
Play DOOM Mods

Resident Evil 5 LMT Tool
Change animations in RE5

Stage Tool
Create stages for Mugen

Texmod
Browse and extract textures of any DX9 game

piecemonteeSF4explorerV0.33
Browse and extract models and textures of USF4

Gibbed.DeadRising2.Tools (rev11)
Edit any location in the game , removing shadows is possible with this

Cameraman-v.061Ω
Cam Hack for SF4 , not sure if it works with USF4

OrochiEditor
This is used to change stats and values in Warriors Orochi

Alci's IMG Editor 1.5
Edit gta3.img with this