You might also wish to check out Necrosis. It features pop-up menus for curses, demon summons and related spells, and misc. other spells (like Demon Armor, Fel Armor, Ritual of Summoning, etc.). There's enough situational and rarely-cast spells like Fel Armor or Eye of Kilrogg that don't warrant an action bar slot, but are sill useful at your fingertips in case of an emergency, that pop-up menus like this can be life-saving...