Inkscape - Inkscape is a free, open source professional vector graphics editor for Windows, Mac OS X and Linux.
TrID - Allows to detect file type by recognition of binary signatures.
Sketch - Professional digital design for Mac.
file - file is a standard Unix program for recognizing the type of data contained in a computer file using...
Affinity Designer - Professional creative software, exclusively for Mac.
TrIDNet - TRIDNet is the GUI version of TrID, probably more practical to use than the CLI version, especially...