The iF.SVNAdmin application is a web based GUI to your Subversion authorization file. It is based on PHP 5.3 and requires a web server (Apache) to be installed. (+ LDAP integration; no database required)
pam-openvpn is a Linux PAM-module which works together with OpenVPN. With this pam-module it is possible to establish vpn connections when a user logs into a system and tear down the connection when the user logs off. This is ideal for mobile systems.