The M in MOST stands for Maynard, so I doubt you would find other sources of that particular software. There is however, a company that offers a free downloadable standards software based on MTM. They also have more fully powered versions that you can purchase. They are located at www.acsco.com...
Meylan is a time-study equipment company. They have something similar to what you describe on their website:
http://www.meylan.com/stopwtch.html. You can also contact them at meylan1@aol.com.
I don't know much about MathCad, but here's an idea you may want to think about. Could you open the ASCII text with Word, and then change the spaces into commas using a search and replace? Once that's done, save the file as ASCII and proceed on your merry way.
Another variation on a strict time study is work sampling: it basically takes a statistical "snapshot" of activities over time. The same text listed by Superdave should cover this technique as well. The "HANDBOOK OF INDUSTRIAL ENGINEERING" (G. Salvendy, ed., published by IIE)...
You might look into some of the products from H.B. Maynard (www.hbmaynard.com)or C-Four (www.c-four.com). The Institute of Industrial Engineers (www.iienet.org) might also be of help locating others.
