BSDsar generates a history of usage on a FreeBSD
machine. It logs data such as CPU usage, disk
activity, network bandwidth usage and activity,
NFS information, memory, and swap. It is similar
to atsar (for Linux) and sar (for Solaris).
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.