If you’re like me, you have a tendency to miss some of the most interesting plugins out there. Pergame is one of them, it’s been around for years, and allows you to selectively load plugins on a per-game basis. Useful if you want to use, for example CWCheat on some games but not others, etc…
Developer wn’s entry to the PSP Genesis competition is a companion to the pergame plugin, as it is a homebrew that allows you to easily edit your pergame settings file. And it’s open source