sr3 texture utilities
Documentation

vpp - https://www.saintsrowmods.com/forum/threads/packfile-format-for-sr4.3004/
asm - https://www.saintsrowmods.com/forum/threads/asm-file-format.3171/
vpp, asm - https://www.saintsrowmods.com/forum/threads/asm-and-vpp-file-formats.8448/
peg - https://www.saintsrowmods.com/forum/threads/peg-file-format.2908/
czh, czn - https://www.saintsrowmods.com/forum/threads/sr3-zone-file-format.2855/
grid - https://www.saintsrowmods.com/forum/threads/grid_pc-file-format.15004/
vpp, v_file_header, czh, czn - https://github.com/volition-inc/Kinzies-Toy-Box/blob/master/file_formats.md

Implementations
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vpp, asm, le_strings, bnk, peg, cmesh, sim, sr3s - https://github.com/saintsrowmods/ThomasJepp.SaintsRow
cmeshx, rigx, matlibx - https://github.com/volition-inc/Zinyaks-Cache-Of-Wonders/blob/master/SRIV_SDK/converter/SaintsRow_FBX_Converter.py
czn, czh - https://github.com/clarosa/SRZoneTools
cmesh - https://www.saintsrowmods.com/forum/threads/sr4-character-mesh-viewer.4604/
peg - https://www.saintsrowmods.com/forum/threads/flow754s-peg-assembler.10465/
peg - https://github.com/Yepoleb/srtextool
vpp, asm, peg - https://github.com/gibbed/Gibbed.Volition/
sr3s - https://bitbucket.org/Corrodias/sr3-save-editor-c/
peg - https://www.saintsrowmods.com/forum/threads/sr3-texture-utilities.566/
sr3 texture utilities How to get it? sr3 texture utilities

Formats summary

Containers: asm (streaming index), vpp (container), str2 (streaming container)
Models: ccmesh/gcmesh, clmesh/glmesh, csmesh/gsmesh, matlib (material), rig (bones), cmorph, sim (clothes simulation), anim (animation)
Graphics: cefct/gefct (effect), fxo (shaders), lightmult_pc (lights)
Cutscenes: csc (camera script), ctdg (conversations), cte_xtbl (scenes)
Cars: ccar/gcar (car models), cvtf (?)
Audio: lm (?), bnk (sound bank), vad (?)
Missions: lua (scripting), todx (environment)
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Interface: lua (scripting), vint_doc (?), vint_proj (interface project)
Map: vpm_pc (map file), czh (zone header), czn/gzn (zone file), grid (map streaming)
Textures: cvbm/gvbm (single texture), cpeg/gpeg (multi texture)
Unknown: csrt/gsrt (?)
Strings: le_strings (strings)
Various: xtbl (configuration)
Saves: sr3d(save directory), srgd (?), sr3s (save file), srgs (?), sr3DEF_PROFILE (?)
sr3 texture utilities