x11-apps is for X.org apps.
commit 0f35eaef18ee050158ef38cc6d8123a500e3191d Author: Sergey Popov <pinkbyte@gentoo.org> Date: Thu Jan 28 11:10:03 2016 +0300 Move x11-apps/ccsm and x11-apps/simple-ccsm to x11-misc/ccsm and x11-misc/simple-ccsm respectively Gentoo-Bug: 571838 Gentoo-Bug: 571852