KiGa 3000 is an extendable graphical tool to store, manage, search, and print the data records (about 50 domain-specific properties) of children in a German Kindergarten. It may be used (with some modifications) in primary schools (German Grundschule) as well. It supports all databases with a JDBC interface.
FSGuide is a Norton Commander clone used by many hosting firms and individuals for advanced file management through the Web. It features user management (password protection, and access control), advanced file selection dialogs, a multiple file uploader (which can also run any application after uploading), a text viewer, a binary file viewer, a source highlighting viewer, an internal text and binary editor, language support, and much more.