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.

This library provides an incidence editor for KDE PIM.

Vulkan is a multivendor open standard by the Khronos Group for 3D graphics.

Org mode provides a way to toggle visibility of hidden elements such as emphasis markers, links, etc. by customising specific variables, e.g., org-hide-emphasis-markers. This package enables automatic visibility toggling depending on cursor position. Hidden element parts appear when the cursor enters an element and disappear when it leaves.

This is the GNU C++ compiler, a fairly portable optimizing compiler for C++.

KTextAddons is a collection of text addons libraries developed by the KDE community.