ttymacros - A terminal macro driver for interactive programs.

In 1964, Douglas McIlroy wrote a memo about coupling programmes like garden hose. Nine years later, Ken Thompson implemented it overnight. One character: the pipe. The most elegant composition model in computing, fifty-three years unchanged.

A port of the netbsd utilities for linux(and may be another unix like operating systems) - littlefly365/Netbase

A simple command for columnizing lists.

GNU Aspell 0.50.5

CLI for sending end-to-end encrypted chatmail messages between systems - chatmail/cmsend

A list of fun destinations for telnet

Cooklang is a markup language for recipes.

A small set of tools to process ICS files from the command line (or Mutt), create ICS files, and submit them to Owncloud's calendar (or a WebDAV) - yrutschle/ics_tools

note: This didn't work on OpenBSD. I found a perl version in netbsd's ports collection and stole a copy for my own use.