Texmorph is completely free a toolset that can be used for converting cryengine and unreal engine textures to regular dds files.
Geomorph Tool is a tool that can import/export or convert models from a good amount of game archive types.
UnArch Tool is a tool that can extract/decompress models, textures, audio etc. from a good amount of game archive types.
WORGEN is the strongest wordlist creation software that has best customisation options with a simple but effective usage