The VCS to ICS Calendar Converter allows you to convert VCALENDAR files (for example generated by Nokia nbuexplorer or Microsoft Works) to the newer iCalendar format, used by Android and iOS for example. It allows the parsing of events and todo's.
ReserveSport online athletic court reservation software. Runs a website on Apache Tomcat and MySQL for reserving sports like racquetball, tennis, bicycle classes, special events, and more, with focus on HCI. Subprojects include a webapp installer.
Spicebird is an open-source email and collaboration suite based on the Mozilla platform. It provides integrated e-mail, contacts, calendaring and instant messaging. It can connect to any SMTP/IMAP email server, CalDav Calendar server and Jabber serve
Zekquel is a portal source written in PHP/MySQL for every web-site! It has addaptable modules and almost every piece of it is customizable from an administration menu!
A Java-based POP/IMAP email client and address book application. Extensible/plug-in system, for additional features and groupware capabilities.