Since I’m running the operating system considered second-class to a big minority (a.k.a. Windows XP), I am on the lookout for good webcam effects software. So far, I have come across two free equivalents to CamTwist for Windows, by the names of Super Webcam and ManyCam.
Unfortunately, I can’t recommend ManyCam at all. While I was uninstalling it, after finding it to be not incredibly useful, it erased all of the start menu shortcuts on my system! I don’t know whether it was the developers’ fault, Nullsoft’s (or whoever wrote their installers), or my own computer’s fault or glitch, but it sure is annoying.
The quick moral of the story: Don’t download ManyCam! And if you already have it installed, find a way to manually remove it (files, shortcuts, registry keys and all). If you uninstall it, ManyCam will make your life miserable.