debfoster is a wrapper program for apt and dpkg. When first run, it will ask you which of the installed packages you want to keep installed.

SWIG is a compiler that makes it easy to integrate C and C++ code with these languages: C#, D, Go, Guile, Java, JavaScript, Lua, Mzscheme, OCaml, Octave, Perl, PHP, Python, R, Ruby, Scilab, and Tcl.

ClamTk is a graphical front-end for Clam Antivirus.

The Common UNIX Printing System (or CUPS(tm)) is a printing system and general replacement for lpd and the like. It supports the Internet Printing Protocol (IPP), and has its own filtering driver model for handling various document types.