OpenGroupware.org is a set of applications for contact, appointment, project, and content management. It is comparable to Exchange and SharePoint. It is accessible using Web interfaces or using local clients via WebDAV, GroupDAV, and CalDAV. Custom applications can be developed using the XML-RPC API. OpenGroupware.org runs on almost every GNU/Linux system.
NullLogic Groupware is a modular Web-based groupware and email system designed for contact management and event scheduling. Additional features include private messaging, public discussion forums, webmail, shared bookmarks, file sharing, call tracking, order processing, an XML-RPC API, and integrated POP3 and SMTP servers.
Xamime is a commercial development spawned from Inflex, with various components released back to the OpenSource community (ripMIME, alterMIME, OpenTNEF, ripOLE, and FileType). It provides control of email filtering via spam, virus, email size, file name, file type, file contents, sender and/or receiver name, header defects, and numerous other attributes. It comes with a rapid installation process, a WWW administration interface, interface hooks to external SQL engines, spam filters, virus scanners, and custom scripts.
Share360 is an instant, cost-effective Web-based groupware suite integrating a customizable intranet portal page with key collaborative applications including document management, project management, contact databases, a group scheduler, a bulletin board, a to-do list, Web-based email, and Outlook Sync for Address Book. A 60-day free trial download is available.
aWebDap is an easy-to-use and flexible Web front end to OpenLDAP version 2. It allows one to query, view, create, delete, and modify LDAP entries. It is written with address book suppport in mind. It also supports VCARD, Mapquest/Google maps, LDAP URL address book interface (Outlook), Web-enabled cell phones, and multiple domains. Its capabilities are driven by a configuration file that defines options and user presentation. It can interface with Web servers with CGI support.
Cameleon a Framework for developing reliable database applications in a technology independent and predominantly editorial way. User interfaces may be easily exchanged from Swing to HTML and vice versa, and databases may be exchanged in the same manner. The Swing variant framework is established. The HTML user interface is under construction but can be reviewed on the project Webpage ("Test sample application"). Cameleon's target users are programmers who manage midrange data volumes (from thousands to millions of database records) and who prefer simplicity and availability rather than animation. Business features such as security management and parameter administration are supported in the framework. The framework allows web developement without any knowledge of JSP, HTML, Servlets etc. Data input elements (and groups of them) may be used in Java Server Pages.
Twiggi Web Based Groupware is a Web based groupware application, written in PHP4, using MySQL as its database engine. It was originally based on the excellent TWIG project. With many on-going enhancements, it is similar to Microsoft Outlook, and features the following modules: twiggi today, Mail, Contacts, Notes, ToDo, Bookmarks, and extensive online help (available in English and German). Twiggi has full language support for German, Dutch, Italian, and English.