A text-based front-end to remind, a sophisticated calendar and alarm program.
Highly efficient and extensible terminal email client.
Experimental terminal mail client aiming for configurability and extensibility with sane defaults.
Mutt is a small but very powerful text-based mail client for Unix operating systems.
E-mail indexer/framework, which provides plugin for Vim.
A console-based e-mail client for people with a lot of e-mail.