GC1 file extension is for Golden Common Lisp 1.1 Lisp language source code file
Similar to GC1
4GL - Informix 4GL language source code file4MD - Musical file
4SW - 4DOS Swap file
4TH - Forth language source code file ForthCMP - LMI Forth
668 - Music the mixing is always at 12048Hz
669 - 669 Composer 8-channel MOD Music File
6CM - 6 Channel Module Music
View all in File Extensions