Howl ndi mkonzi wazomwe akufuna kukhala wopepuka komanso wosinthika mwamakonda. Imamangidwa pamwamba pa nthawi yothamanga kwambiri ya LuaJIT, ndipo imatha kukulitsidwa mu Lua kapena Moonscript. Ili ndi minimalistic UI yoyendetsedwa makamaka ndi kiyibodi.
