QasTools is a collection of desktop applications for the Linux sound system ALSA.

The applications included are: - QasConfig - browser for the ALSA configuration tree - QasHctl - mixer for ALSA's High level Control Interface - QasMixer - desktop mixer with features similar to alsamixer

ALSA's configuration resides in a tree structure which gets built from the contents of the files /etc/asound.conf and ~/.asoundrc. QasConfig is a simple browser for this configuration tree and can help to analyze and debug an ALSA setup.