PHP File Upload http://au.php.net/features.file-upload
Firebird Extensions http://texturizer.net/firebird/extensions.html (Note that Aggreg8 appears there 😉 )
PHPMailer http://phpmailer.sourceforge.net/
CVSNT (CVS for Windows) http://www.cvsnt.org/wiki/
Tortoise CVS (Windows CVS client) http://www.tortoisecvs.org/
ViewCVS (CVS Web Front End) http://viewcvs.sourceforge.net/
ViewCVS Windows Installer http://w1.858.telia.com/~u85831169/ViewCvsSetup.html
PostNuke http://www.postnuke.com

I've been up to loads more but for now you'll have to content yourself with those links.