Flying Angel is a very cute screensaver from Alisher. Can be installed on any Windows OS and includes uninstaller. It is a freeware and it works without limitations.
This software is not reviewed yet.
Puzzle Generator creates printable worksheets. It also includes a ready built-in puzzle collection so you won't need to type words. You can also add new words and if you already have a word lists it is possible to import them into the program.