sl takes the most common use of Unix ls, to display the files in a directory compactly in multiple columns, and makes it substantially more useful.

via: http://chneukirchen.org/trivium/2012-02-19

This is a command-line utility for storing passwords. The passwords are kept in an encrypted file which the user may edit with a text editor. The purpose of this project is to provide a secure method of storing passwords (or any confidential information) which works over a text-only interface (like an ssh session).

"Sup is a console-based email client for people with a lot of email. It supports tagging, very fast full-text search, automatic contact- list management, custom code insertion via a hook system, and more." I'll have to check this out (I'm just using Gmail on the Eee at the moment, and it's not good enough...)

"dvtm brings the concept of tiling window management, popularized by X11-window managers like dwm to the console. As a console window manager it tries to make it easy to work with multiple console based programs." Easier to remember where you are than screen.