update:
Years later, SourceForge is keeping zombie accounts open
SourceForge grabs GIMP for Windows’ account, wraps installer in bundle-pushing adware
http://arstechnica.com/information-technology/2015/05/sourceforge-grabs-gimp-for-windows-account-wraps-installer-in-bundle-pushing-adware/from the article, others kept 'active' by SF
Most of the Apache Foundation's projects—including Allura, Derby, Directory Studio, the Apache HTTP server, Hadoop, OpenOffice, Solr, and Subversion;
The Mozilla Project's Firefox, Thunderbird, and FireFTP;
The Evolution and Open-Xchange mail clients;
The Drupal and WordPress content management systems;
The Eclipse, Aptana, Komodo, MonoDevelop, and NetBeans integrated development environments;
The VLC, Audacious, Banshee.fm, Helix, and Tomahawk media players;
The Reaver WPS Wi-Fi hacking tool;
and a host of games, utilities, and other applications.