vpngui 1.1.1 for Mac was free to download from our software library. Vpngui for Mac lies within Internet & Network Tools, more precisely Network tools. The actual developer of this free Mac application is Wanwire.
From the developer:
VPNGUI connects you automatically to a VPN server. It supports multiple connection profiles per server. In addition, it allows you to select profiles that use a different port, protocol, encryption cipher, or other parameters. The tool supports automatic updating of server profiles through the API. You can push new or updated VPN servers to your users.
You may want to check out more software for Mac, such as Dynagen, which might be related to vpngui.