The Jaulp project have many utility classes for several purposes like creating or manipulating DateFormats, cryptography, testing, filesystems, calendar, collections, resources, files, IO and random data.
It also contains a few simple modules like authorisation and authentication, cryptocraphy and file operations like compare, copy, create, delete, filter files, read, write, move, rename and even zipping files and get a checksum from a file.
Latest relaese contains utility classes for sending emails and swing generic tables and tablemodels, menus, look and feel and browser operations from a swing application.