Uninstalling apps from mac system is actually a bit more complicated than just dump those unwanted into trash can, additional files like preference files, support files, cache files are always left behind if you used the traditional way to operate the app removal,
therefor a couple of extra steps are needed if you want to completely remove certain app from OS X. Our website offers detailed removal instruction for almost every kinds of Mac app, if you need help in uninstalling something on your Mac, this is the place you want to dig into.