fls (From line separator) — fixes corrupt mbox files where “From lines” aren’t correctly preceded by a blank line
mtaopts patch for Heirloom mailx — adds a new configuration variable, by which the user can supply options to the Mail Transfer Agent, even on a per–account basis
GrabWeather2016 — drop–in replacement for the old GrabWeather script that used to power the GkrellWeather plugin (and other software) but stopped working in 2016
MHTview — uses your browser to display HTML email with attached images. Ideal for non–graphical email clients such as Mutt, Elm, etc.
WAM macro for the dc RPN calculator — finds the weighted arithmetic mean of an arbitrarily long sequence of numbers.
cred (check remote document) — sends you mail (or warns you) if an online page or file has changed since last check