Hodoman Timer? 6.0 needs low computer resources:

     Local resources usage:

The client application will replace the Windows standard shell and thus will free a lot of resources consumed by this latter one.
The memory usage of the client application will stay between 7 - 15 Mb. The processor usage will be extremely low, as this program will mostly be idle.

The server application is also a low resources consumer. It will need a little more processor time and the memory usage will stay between 7 - 20 Mb.

     Network usage:

The average amount of data transmited over the network between one computer station and the server is 1,5 Mb / hour. This value is extremely low when taking into consideration the current performances of LANs.