- the dvd::rip project
  http://www.exit1.org/dvdrip/

- the Sympa mailing list manager
  http://www.sympa.org/

- the public key infrastructure (PKI) OpenCA
  http://www.openca.org/

- the Lire log file analysis tool
  http://www.logreport.org/

- the GPG key-signing utility gpgsigs
  http://www.palfrader.org/gpgsigs

- (the build script for) the TortoiseCVS CVS frontend
  http://www.tortoisecvs.org/

- the pure Perl implementation of the Twofish algorithm
  http://search.cpan.org/~guido/Crypt-Twofish_PP/

- the Imperia enterprise content management system
  http://www.imperia.net/

- the Imperia mailing list archive
  http://ml.imperia.org/

- the pimp Photo Importer
  http://www.grawert.net/software/pimp/

- midcat, concatenate MIDI files to stdout
  http://ptaff.ca/midcat/?lang=en_CA

- Luci is the University of New Brunswick, Canada's enterprise website 
  accessibility solution and requires libintl-perl via Crypt::Twofish_PP
  http://luci.sourceforge.net/

- gwine, the Gnome wine cellar management tool
  http://home.gna.org/gwine/

- gtestrunner (Test-Unit-GTestRunner), a unit test GUI
  http://search.cpan.org/~guido/Test-Unit-GTestRunner/

- hdico, search a definition in the Hachette dictionary
  http://svn.naquadah.org/listing.php?repname=hdico&path=%2F&rev=0&sc=0

- IWL, a GUI toolkit for html
  http://search.cpan.org/~viktork/IWL/

- Git, the stupid content tracker
  http://git-scm.com/

- needrestart checks which daemons need to be restarted after library upgrades
  https://fiasko-nw.net/~thomas/tag/needrestart.html

- libguestfs is a set of tools for accessing and modifying virtual machine (VM) disk images
  http://libguestfs.org/

- serienbrief, write serial letters with LaTeX
  http://nasauber.de/opensource/serienbrief/