A lot of you have gotten various unclean roms from the net that have hacks in them or intro's written into them which will make it difficult if not impossible for gpSP to play them. OfflineList is an eye pleasing easy to use rom manager.
DVDFab Region Reset allows you to change region setting of popular Blu-ray players with a single click. It uses the widely-known so-called region "hacks" for these players, applying them with the bare minimum of user effort.
Cerberus Security Guard is a program devoted to security challenges whose purpose is to keep your computer safe from attacks of Trojan horses, keyloggers, multiple interceptors, and other kinds of system hacks, including various types of spyware.