Mac No-IP fica na subcategoria Geral, que fica dentro de Ferramentas do Sistema.
Do desenvolvedor:
Mac No-IP will check your IP address at a given time interval checking to see if your IP has changed. If your IP address has changed it will notify our dns servers and update the IP corresponding to your No-IP/No-IP+ hostname.
Confira mais programas, tais como Apimac Timer, Bento - Personal Database ou WaterRoof, que podem ser similares a Mac No-IP.