VSS.net will allow you to use Visual SourceSafe? over the Internet by implementing a Web Service on the server side and a dotNet WinForms client on the client side.
1) Checkin, CheckOut, Get, and Undo CheckOut 2) Interface is Similar to Microsoft's Visual SourceSafe? 3) Works using either http or https protocols 4) Virtually no firewalling issues. No ports to open. 5) Date and time display relative to Client side clock