This is a metapackage to install core plugin packages provided by the Claws Mail sources. Historically these were the only plugins provided along with Claws Mail itself.

If you are a developer for the GNU/Linux system, this book will help you to:

The NV-CONTROL X extension provides a mechanism for X clients to query and set configuration parameters of the NVIDIA X driver. State set by the NV-CONTROL X extension is assumed to be persistent only for the current server generation.

This package provides the shared libraries for SELinux policy management. It uses libsepol for binary policy manipulation and libselinux for interacting with the SELinux system. It also exec's helper programs for loading policy and for checking whether the file_contexts configuration is valid (load_policy and setfiles from policycoreutils) presently, although this may change at least for the bootstrapping case

MyPaint is a pressure- and tilt-sensitive painting program which works well with Wacom graphics tablets and other similar devices. It comes with a large brush collection including charcoal and ink to emulate real media, but the highly configurable brush engine allows you to experiment with your own brushes and with not-quite-natural painting.