Nettxrx is a small desktop or tooltray utility that displays a graph of network bytes sent/received, updating every second. It also optionally shows CPU usage. It can log and report usage. Nettxrx runs on WinXP, Vista, and Win7.
RRFiller provides an easy-to-use solution for logging statistics into an RRDTool database. Designed to complement RRGrapher, the project also provides configurations for creation and updating RRD databases using standard tools like vmstat and netstat.