Applications folders in OS X get large quickly because people don't usually subfolder them. View --> Arrange by Application Category makes it easier, but if there's no LSApplicationCategoryType key in the app's info.plist, the app is sorted into "Other" at the bottom. https://developer.apple.com/library/Mac/releasenotes/General/SubmittingToMacAppStore/#//apple_ref/doc/uid/TP40010572-CH16-SW8