milter manager is a flexible and low administrative cost anti-spam system that can be used with MTAs that support milters like Sendmail and Postfix. It provides an effective solution by combining a range of existing milters.
collect is a humble file collection utility that
allows you to manage lists of files or directories
on your filesystem and to access them in a
convenient way. It integrates well with xargs. It
also integrates crudely with the GNOME panel
through a Ruby script.