flow-tools: 0.68.5.1 - library/collection of programs to work on NetFlow data

From the [project page](https://code.google.com/p/flow-tools/):

> flow-tools is library and a collection of programs used to collect, send, process, and generate reports from NetFlow data. The tools can be used together on a single server or distributed to multiple servers for large deployments. The flow-tools library provides an API for development of custom applications for NetFlow export versions 1,5,6 and the 14 currently defined version 8 subversions.

NetFlow is fairly ubiquitous for networking people, so tools to handle that data are useful.