AssetRipper
6.6#3 in game asset extractorsFrom $10 a monthFree planLinuxmacOSWindows
VisitIt suits game developers analyzing Unity game files or exporting assets into Unity projects and external viewing workflows. Users needing DirectX shader decompilation need Windows.
w3m may suit desktop users on Linux who want a text-mode browser and pager, including people comfortable with its documented build process. Windows users need Cygwin and development tools to build it.