Courier is a mail transfer agent (MTA) and groupware server. It implements IMAP, ESMTP, POP3, LDAP, SSL, HTTP, iCal. It also provides mailing list management, filtering, maildirs storage, and a webmail interface with calendaring and scheduling.
HumHub is a social networking portal script and framework. It's flexible and comes with an user-friendly interface. HumHub can be used as customized social network, social intranet teamwork or enterprise application. It provides notifications, activity streams, dashboards, spaces, user profiles, social tools (follow, like, connect), groups, directories, file sharing, and search across all content.
AgoraKit is a web based open source groupware for citizens initiatives. By creating collaborative groups, people can discuss, organize events, store files and keep everyone updated when needed. AgoraKit is a forum, agenda, file manager and email notifier. Manage communication, decision making, membership, files and events. Flexible email notifications per group, per user preferences. Most of the time no admin is involved in the process as we try to keep it as horizontal as possible. In other w
SOGo is a fully supported and trusted groupware server with a focus on scalability and open standards. SOGo is released under the GNU GPL/LGPL v2 and above. SOGo provides a rich AJAX-based Web interface and supports multiple native clients through the use of standard protocols such as CalDAV, CardDAV and GroupDAV, as well as Microsoft ActiveSync. SOGo is the missing component of your infrastructure; it sits in the middle of your servers to offer your users a uniform and complete interface to a
TOMUSS is a collaborative web application for multi-user table editing. Its interactivity prevents accidential data loss or incorrect values, provides a cell editing history, does not impose complex formulas, a lean security model, allows integration with information backends, does not require a specific framework for extensibility. It's intended for managing student grades, but allows simple column averages or free text editing.
Z-Push is an implementation of the ActiveSync protocol which is used 'over-the-air' for multi platform ActiveSync devices, including Windows Mobile, Android, iPhone, Sony Ericsson and Nokia mobile devices. With Z-Push any groupware can be connected and synced with these devices.
The Zarafa Collaboration Platform is a Microsoft Exchange replacement. Zarafa provides an integration with an existing Linux mail server, native mobile phone support by ActiveSync compatibility and a WebApp with 'Look & Feel' similar to Outlook using Ajax. Including an IMAP and a POP3 gateway as well as an iCal/CalDAV gateway, Zarafa can combine the usability with the stability and the flexibility of a Linux server.