On AO3 is "Advantages Of Being Sane" - which features a female!Riddle - who reintegrates her Horcruxi - but enables Bellatrix - who was the subject of the Original Horcrux experiments - to reintegrate as well - and - between the two of them - kill off the Death Eaters - movement and all - and actually find love - surprigingly, Harry (Tess Riddle) and Neville (Bellatrix).