A perl-based feature-rich web email system supporting access via web, WAP, POP3 or IMAP. Fully customizable, with web-admin, scheduler, migration scripts and Unix/Windows technical support. [Commercial]

Programs to provide a web interface for accessing a POP3 and IMAP email account. Free version includes banner ads, paid versions don't. [Commercial]

Webmail system based on IMHO, designed to run with Caudium Webservers. Designed with the ISP in mind, it's scalable and free to use. [GPL]

Web interface software for accessing POP3 and IMAP email accounts. Available for a range of platforms. [Commercial]

A perl-based webmail system designed to manage very large mail folder files in a memory efficient way. [GPL]

Developers of messaging applications technology for companies and organizations.

Perl program to read/send email from a POP3 email account. [Commercial]

A customized version of Twig with additional features, designed to behave like Outlook. [GPL]

Simplifies the process of offering free Web-based e-mail. For mod_perl. [Commercial]

A web-based software module for online mail management. It helps you check and organize your Internet mail through your Web Browser, from an IIS server. [Commercial]