If you have a Nokia or Samsung mobile phone and you are always starting certain applications once you turn your phone on you may want to consider Powerboot. It lets you select applications that you want to automatically start once your phone turns out. It saves you the hassle of doing this manually. They support a bunch of Nokia and Samsung phones, here's the list of phones that are supported:

Nokia E50, E51, E60, E61, E62, E65, E66, E70, E71, E90, N71, N73, N75, N76, N77, N78, N79, N80, N81, N82, N85, N91, N92, N93, N95, N96, 3250, 5500, 5700, 6110, 6120, 6121, 6210, 6220, 6290

Samsung SGH-i400, SGH-i450, SGH-i520, SGH-i550, SGH-i560, SGH-i570, L870, G810, i8510 INNOV8
LG KS10, KT610, JoY