mawk
An faster implementation of nawk written by Mike Brennan at Boeing in 1991 and distributed under GPL but distinct from GNU's gawk.
Interpreter version 1.1.3 has been ported to Sun-3, Sun-4/SunOS 4.0.3; Vax/BSD 4.3, ULTRIX 4.1; Stardent 3000/SYSVR3; DECStation/ULTRIX 4.1, MS-DOS/Turbo C++.