Short bio: Computer Scientist, FOSS supporter (read more)
Tux Machines (TM)-specific
Screenlets provides a huge variety of desktop widgets, including support for Superkaramba themes and Google Gedgets (through a converter). The project supplies a convenient package for Ubuntu users, but it appears that there is no RPM for Fedora users. But, with a few simple commands, it is possible to get screenlets up and running in Fedora 15.