iOS 4 brought with it the ability to put apps and bookmarks into folders. Unfortunately, the implementation is quite limited.
FolderEnhancer takes this feature and improves upon it, making it a viable solution for organizing and accessing your apps.
Features
o Open folders faster.
o Add up to 320 icons to a folder (20 pages, 16 per page).
o Create folders inside of folders.
o Create folders on the dock.
o Supports Iconoclasm for custom layouts inside of folders.
o Extends MultiIconMover to allow moving multiple icons into/out of folders.
o Options include hiding the folder name and wallpaper, as well as disabling animations.