AfterLogic WebMail Lite PHP is a Webmail script with a modern AJAX interface. It supports POP3/IMAP accounts, SMTP, and SSL (including Gmail). Users can check and send mail and use an address book. Skins, a 3-pane view, non-English languages (including right-to-left Arabic and Hebrew), UTF-8 and other charsets, IMAP folders, and view and compose HTML mail. MS SQL/MySQL backends are supported, as well as multiple mail accounts and domains, Web-based administration and installation, and cPanel integration.
AtMail is a webmail client. The project aims to provide an elegant client for existing IMAP mailservers, with less bloat and a focus on an intuitive, simple user interface. Features include complete Webmail functionality, address-book support, video mail, an AJAX interface, drag'n'drop, and more.
E-List Distributor for Mac is an application for sending personalized mass emails using templates. It makes it possible to communicate quickly and reliably with your customer base and subscribers and can automate tasks such as notifying subscribers about new products and promotions, mailing invoices and tracking numbers to online customers, and sending a daily or weekly newsletter to your subscribers. It can schedule mailings during the night to avoid overutilizing networks during business hours. Unsubscription and bounce processing allows you to comply with the CAN-SPAM act.
Inverse SOGo Connector for Thunderbird is an extension which transforms Thunderbird into a full DAV client for groupware servers such as SOGo, OpenGroupware.org, and Citadel. It does this by adding support for remote DAV address books and by adding features to be used along with the Lightning calendar extension. It is a merge of the Lightning Enhancer and the GroupDAV Addressbook Connector.
mujMail is a powerful and graphically atractive email client for mobile devices. Its operations are multithreaded, so you can send mail, retrieve mail from multiple mailboxes, and change settings simultaneously. It uses RMS to store mail messages persistently on the device, so don't have to connect to a server to read old mail. It has the unique ability to redownload a damaged message or body part and repair it.
Inverse Lightning enhancer plugin enhances the functionalities of the Lightning calendar plugin for Thunderbird. It is meant to add better integration with CalDAV compatible servers such as SOGo. It provides support for CalDAV freebusy information in the scheduling interface and in the addressbook. It manages the iCalendar organizers by taking into account the identities configured in Thunderbird. And it fixes bugs found from time to time in Lightning which are not yet fixed upstream.
SOGo is a very fast and scalable modern collaboration suite (or groupware). It offers calendaring, address book management, and a full-featured Webmail client along with resource sharing and permission handling. It also makes use of documented standards (IMAP, CalDAV, CardDAV, etc.) and thereby provides native connectivity (without plugins) to many clients such as Microsoft Outlook, Apple iCal, the iPhone, Mozilla Lightning, and a plethora of mobile devices via SyncML. It can reuse any existing email and database infrastructure, avoiding long hours of site restructuring.