sc is a curses-based spreadsheet program that uses key bindings similar to vi
Alpine is a fast, easy to use mail client that is
suitable for both novices and experienced users.
It is the latest version of Pine, developed by the
same team but renamed to avoid trademark issues.
rainbarf provides fancy resource usage charts to put into the tmux (and GNU screen) status line.
A non-graphical .NET Project management component which enables .NET applications to read, write, and manage Project documents without utilizing Microsoft Project.
A combination of Git and .Net/Mono.