Related: chat, collab, commun, connect, net, web List.org >>Mailman is free software for managing electronic mail discussion and e-newsletter lists. Mailman is integrated with the web, making it easy for users to manage their accounts and for list owners to administer their lists. Mailman supports built-in archiving, automatic bounce processing, content filtering, digest delivery, spam filters, and more. See the features page for details. Sympa.org >>Sympa mailing list server Bongo-Project.org >>Bongo is an easy-to-use mail and calendar system, offering a simple yet powerful user interface. The goal is to make sharing, organisation, and communication simpler, quicker, and more useful. HORDE.org/imp >>IMP is the Internet Messaging Program. It is written in PHP and provides webmail access to IMAP and POP3 accounts. RoundCube.net >>RoundCube Webmail is a browser-based multilingual IMAP client with an application-like user interface. It provides full functionality you expect from an e-mail client, including MIME support, address book, folder manipulation, message searching and spell checking. RoundCube Webmail is written in PHP and requires a MySQL or Postgres database. The user interface is fully skinnable using XHTML and CSS 2. ChandlerProject.org >>For people who use their Inbox as their task list, Chandler Preview picks up where your Inbox leaves off. Collaboration-World.com/pantomime >>The Pantomime framework supports the major mail protocols: POP3, IMAP, and SMTP. It's free and it's fast. Use it in your open source projects! Collaboration-World.com/gnumail >>The complete and fast mail application for GNUstep and Mac OS X. Washington.edu/alpine >> In late 2005, Computing & Communications at the University of Washington began a project to create a new family of email tools built upon the Pine® Message System. This family of tools is called Alpine. Alpine consists of a UNIX command-line program, a PC version, and a Web version. Wiki.Mozilla.org/Penelope >>Qualcomm's intention with the Penelope (huh?) project (overview) is to join the Eudora® user experience with the Mozilla platform. We intend to produce a version of Eudora that is open source and based on Mozilla and Thunderbird. It's not our intention to compete with Thunderbird; rather, we want to complement it. SUP.RubyForge.org >>Sup is a console-based email client for people with a lot of email. It supports tagging, very fast full-text search, automatic contact-list management, and more. TinyMail.org >>Tinymail is a library for developing mobile applications with E-mail functionality. The framework provides components that aid the developer with the user interface but of course also with the connectivity and the caching of messages. Elmo.sf.net Claws-Mail.org Mutt.org Thunderbird http://Sylpheed.org Courier-MTA.org/cone SquirrelMail.org Zimbra.com MH, NMH elm mail mailx nail pine Emacs: RMAIL, GNUS, VM, Meadow, Wanderlust (wl) MuttRCBuilder.org >>This site lets you create a muttrc file for the Mutt email program . You specify your preferences in the boxes on the next few pages, and you get a muttrc you can use. Get(IMAP, POP3): Fetchmail, getmail, CyrusIMAP.web.cmu.edu, BincIMAP.org, isync.sf.net, Hastymail.sf.net, Software.Complete.org/offlineimap, FreePOPs.org Put(SMTP): exim.org, Maildrop, Postfix, qmail, Sendmail Spinnaker.de/mutt