CUSORT31.ZIP [0] Colorado Utilities Sort (CUSORT) v3.1: sorts up to 2 billion records in regular memory; ascending or descending order; recognize or ignore upper and lower case; Fred C. Hill/Micro System Solutions.
FSORT10.ZIP  [0] FSORT reads data from an input file, sorts it, and writes it to an output file. FSORT is MUCH faster than the MS-DOS sort command and other sort programs, and sorts any size file. With advanced features too.
QSORT320.ZIP [0] Sort Program Which Can Handle .Tle Files, Quicksat Output, And Other Multi-Line, Multi-Field, Variable Lenght, Large Files And Very Fast 2000 Satellites In 20 Seconds.