Sup is a console-based email client for people with a lot of email. * GMail-like thread-centered archiving, tagging and muting * Handling mail from multiple mbox and Maildir sources * Blazing fast full-text search with a rich query language * Multiple accounts - pick the right one when sending mail * Ruby-programmable hooks * Automatically tracking recent contacts

Argyle

This is a pure ruby port of the CDK ncurses widget toolkit.

cless displays column oriented files.

Google dictionary in terminal

Ncurses list pager, controllable via stdin and stdout

RETerm provides a framework and components to build full featured terminal interfaces.

Port of gnu typist to ruby. Probably ill-advised.

An interactive terminal application for managing todo.txt files.

virtop provides an overview of virtual machines runned with a solution abstracted by libvirt.