libinfinity is library to build collaborative text editors. Changes to the text buffers are synced to all other clients over a central server. Even though a central server is involved, the local user sees his changes applied instantly and the merging is done on the individual clients.

This package is part of libkgapi.

libical is an open source implementation of the IETF's iCalendar calendaring and scheduling protocols (RFC 2445, 2446, and 2447). It parses iCal components and provides a C API for manipulating the component properties, parameters, and subcomponents.

Gwenhywfar allows porting of your software to different operating systems like Linux, *BSD, Windows etc. It also provides some often needed modules such as configuration file handling, simple XML file parsing, IPC etc.

KCompletion provides widgets with advanced completion support as well as a lower-level completion class which can be used with your own widgets.