Computers

Very popular IMAP webmail program. It relies on PHP3's IMAP module for the IMAP calls, and an SSL server for security. [GPL]

Just Another Web mail is a flexible, powerful and fast webmail written in PHP [GPL].

A standards-based webmail package written in PHP4. It includes built-in pure PHP support for the IMAP and SMTP protocols, and all pages render in pure HTML 4.0 (with no Javascript) for maximum compatibility across browsers. [Free]