NewMail is a PHP script that allows you to check for new mail on POP3 and IMAP. It includes the ability to reply, list, and views messages. It only requires one file.

Cedric Email Reader is a Web Mail application written in PHP 4 that allows you to access an emailbox and read/send email using a Web Browser. It also gives you the possibility to send emails. Main features: No use of cookies or session, Read emails on an account IMAP (not yet POP), Delete messages without reading them (very useful if you suspect viruses), Display messages in text or html formats, Read the attachements, Send the messages in text format (with or without attachement), Simple Address Book, and Multi lingual (french, english, swedish, deutch, spanich). Demo available at <a href="http://www.isoca.com/creation/webmail/emailreader.php">http://www.isoca.com/creation/webmail/emailreader.php</a>.

YANOCC (Yet Another NOCC) is a simple and fast webmail client which can handle POP3, SMTP, and IMAP servers. YANOCC is based on NOCC's code and is written with PHP4. It features multi-language support, MIME attachments, displays HTML messages, address book, user preferences, and folder support.

kmMail is a PHP-based mail program, based on the mail functionality of Keftamail and is being developed by current Kefta employees. It is meant to be a framework for putting a web-based mail program on your site, but is still robust enough to drop into your current site with little to no modification. The goals of kmMail are MIME compliance, speed, low overhead, and an enjoyable user interface.

6XMailer is a highly customizable POP3 mail reader written in PHP4. Features include: MIME support for attachments, HTML mail with displaying of embedded content, Multilingual support via language packs, Themes via theme packs, Per-user address book and settings such as displaying name and signatures.

Popper is a fully features mail-client that is (more or less) MIME-conformant. This means that you can open and save attachments, view HTML mails (although it's a bad habit to send those), view attached mails, etc. Replying, forwarding etc. is just as easy as with any other mail-client. popper is written with PHP4 and is 100% java-free which reduces portability problems. You can even use lynx to read your mails.

PHPwebmail is a web browser based IMAP and SMTP mail client. Often it is not possible to make outside mail connections from networks behind strict firewalls. With PHPwebmail a mail client only needs a WWW connection to the mailserver. Specifically it only needs a connection to the webserver hosting PHPwebmail. Most of the times the web and mail server will be the same machine but PHPwebmail can connect to other mailservers as well as long as there is an IMAP connection between these two machines possible (allowed).

rymo, stands for Read Your Mail Online, is mail2web gateway. It uses a POP3-Server for reading and PHP internal mail functions for sending mail.

IMAP-PostAmt is a PHP-based web frontend to IMAP mail servers (developed on Cyrus imapd currently). The interface supports reading all kinds of MIME multipart mails, managing IMAP folder structures including ACLs and rudimentary mail composition.

AeroMail is a web-based e-mail client written in PHP. AeroMail uses an IMAP server to read and store messages in one or more user-defined folders. Features include HTTP authentication for login (no cookies), folder manipulation, multi-language support, configurable user interface, and more.

IMP is a set of PHP scripts that implement an IMAP based webmail system. Assuming you have an account on a server that supports IMAP, you can theoretically use an installation of IMP to check your mail from anywhere that you have web access.

Faeromail is a PHP web based IMAP email client. It is based on Aeromail by Mark Cushman. FaeroMail was forked off of the AeroMail source at version 1.30 because some features were desired that the author didn't want in AeroMail. New features added from AeroMail include: Made message list sortable by any of the displayed columns, Added preferences page, Added support for Saving sent messages in a folder configured in the preferences page, Added support for saving deleted items in the trash folder, also configured in preferences, and Added support for only displaying N messages at a time, as specified in the user preferences.

PHPMailApp is a POP3 managament application written in PHP. It allows you to send, check, and manage your POP3 email account from anywhere in the world.

Dragonfly mail is a php4 based webmail client originally derived from phpWebMail. The underlying code has been rewritten and optimized for sessions in php4. It uses IMAP and SMTP to send and receive email, and requires that the host that the web server is on is running both SMTP and IMAP servers.

MailDog is a Web based email client for IMAP servers written in PHP. It requires apache, PHP 3.0.x compiled as a module, and IMAP. Please note that this is a pre-alpha version, and there is not much documentation available yet.

This is a wrapper to the POP3 protocol, as specified by RFC 1939. All mandatory POP3 commands are available, as are a few optional POP3 commands. Using this class you can construct your own POP3 based web mail program, check for new mail from the web, or even use POP3 to authenticate secured areas of your web site.