Jim Kern has created SSLBridge, an Ajax enabled Samba Web GUI, and has released it using the GPL open source license.

SSLBridge features:

• Authenticates using your existing user name and password against MS Active Directory using Samba.
• All permissions that apply at office are also applied through SSLBridge.
• Can download files from computers, just like you are at the office.
• Can Drag and Drop files between computers.
• Can select one of more files using both SHIFT-Click and CTRL-Click

Download the PHP based software (requires: Apache, PHP, Samba).

[via Ajaxian]