BandwidthD 2.0.1 is a Network Monitoring Software product from bandwidthd.sourceforge.net, get 4 Stars SoftSea Rating, BandwidthD tracks usage of TCP/IP network subnets and builds html files with graphs to display utilization. Charts are built by individual IPs, and by default display utilization over 2 day, 8 day, 40 day, and 400 day periods. Furthermore, each ip address's utilization can be logged out at intervals of 3.3 minutes, 10 minutes, 1 hour or 12 hours in cdf format, or to a backend database server. HTTP, TCP, UDP, ICMP, VPN, and P2P traffic are color coded.
BandwidthD runs on most platforms including windows. Required libraries for unix are only: libpcap, libgl and libpng.
Most of the info you're looking for is on the SourceForge project page. At SourceForge we keep all new releases, the bug tracker and the support forums.
Bandwidthd now produces output in 2 ways. The first is as a standalone software that produces static html and png output every 200 seconds. The second is as a sensor that transmits it's data to a backend database which is then reported on by dynamic php pages. The visual output of both is simular, but the database driven system allows for searching, filtering, multiple sensors and custom reports. The license of this networking software is Free Trial Software, you can free download and get a free trial before you buy. If you want to get a full or nolimited version of BandwidthD, you can buy this networking software.