bblaunch is an application launcher for the blackbox window manager. it can be used to launch applications without decorations, on other workspaces etc. the official homepage is unknown, even on the blackbox mailing-list, so homepage is set to http://blackboxwm.sourceforge.net/ i suggest x11-misc/bblaunch. it depends on blackbox.
Created attachment 6367 [details] bblaunch-0.0.3.ebuild
Builds and runs fine on three machines here with. Commited. Thanks for the ebuild Steingrim!