comparepdf is a command line tool for comparing two PDF files.

These are nice fixed-width fonts in various DOS encodings. They are mostly suitable for use in Dosemu, but can be used also in terminals, editors, etc.

libfontenc is a library which helps font libraries portably determine and deal with different encodings of fonts.

Omega, a 16-bit extended TeX by John Plaice and Yannis Haralambous, now updated to Aleph.

Gri is an open-source language for scientific graphics programming. It is command-driven, as opposed to point/click. Some users consider Gri similar to LaTeX, since both provide extensive power as a reward for tolerating a learning curve. The output is industry-standard PostScript as output, suitable for inclusion in other documents.

With Report Magic for Analog, anyone can create great looking website statistics reports. Report Magic for Analog uses the Computer Readable Output format created by Analog, the most popular logfile analyser in the world. Using this and some simple settings you provide, Report Magic formats beautiful reports with tables, descriptions and graphs.