tkbiff allows arbitrary commands to be executed upon mail reception. If you like programs such as xbiff and xbiff++ but wish they were more flexible, then you'll like tkbiff. Unlike other biffs, tkbiff is fully customizable. tkbiff also doesn't waste your valuable screen space with icons; instead, it shows you the mail itself. It supports UNIX, Mac, and Windows, IMAP, POP, and UNIX-style mail files, and SSL and APOP.
VAMP (Very Attractive Mail Program) is an extremely easy-to-configure, usable, Web-based email client written in PHP3 (and compatible with PHP4). It is for use with POP3 servers, and it also supports "Virtual Domains", encryption (under Linux/PHP3), attachments, contact list, a signature database, an easy-to-use setup tool, and more.
Webtop is a Web-based POP3 email client that includes SSL encryption, Mozilla support, many email filter options, spam fighting features, custom folders, email import/export, fast searching, undeliverable email bounce, intelligent read receipts, and email-to-PDF generation. The Webtop also includes a calendar, notepad, online file storage, automated email reminders, contacts, mailing lists, and Web-based administration. One installation can support multiple users and each user can set up as many POP3 accounts as they need.
MailWebForm allows you to send an email message from a Web site. It processes an HTML form, composes the email, optionally by processing a template, and delivers it. MailWebForm features spam protection in which the recipient's address is not specified in the HTML form, but rather uses property files to get the mail destination. Flexibility and ease-of-use are MailWebform's design goals. MailWebForm accepts three levels of parameter input: a global property file, user property files, and HTML form input. The setup is easily done through a administration Web site.
i.Scribe is a cross platform email client, address book, and calendar. It is small, fast, and easy to install. It has multi-language support, and currently includes English, French, Chinese Traditional,Italian, Portuguese, Brazilian Portuguese, Japanese, Vietnamese, Czech, Polish, Spanish, German, Russian, and Dutch translations. It is very expandable via a plugin interface, and uses its own HTML engine (and not IE when run on Windows). It supports POP3, [E]SMTP, MIME, IMAP4, and MAPI. An integrated contact database and calendar are included.
JPim is an email and contact management tool which offers auto-completion for recipient addresses, viewing of plain and HTML email, viewing of email headers, adding of attachments to email and saving attachments received, full contact management features, an easy to modify quick contact list, and the ability to reply to and forward email.
MuseSig is an email signature generator. The script takes an ID file (your contact information) and combines it with a quote taken from a local collection of quotes to produce a new signature file. Command line options allow selection of output file, the format to use (one of two types), and various other options. Quote files are plain text and new quotes can be added just by adding a new file to the quote directories.