I-Piper iwuhlelo lwe-GTK+ lokulungisa amagundane amageyimu. I-Piper imane nje ingaphambili, uhlu lwamadivayisi asekelwayo luncike ku-libratbag. Bheka amafayela edivayisi ye-libratbag ukuze uthole uhlu lwawo wonke amadivayisi aziwayo. Amaphrothokholi aqondene nedivayisi ngokuvamile kufanele akhiwe kabusha futhi izici ezitholakalayo zingahluka kuzici ezikhangisiwe zomkhiqizi.