iperf - A TCP, UDP, and SCTP network bandwidth measurement tool

Unimus - Unimus is a Network Automation and Configuration management (NCM) solution designed for fast deployment network-wide and ease of use. Unimus does not require learning any abstraction or templating languages, and does not require any coding skills.

TamoSoft Throughput Test - TamoSoft Throughput Test is a utility for testing the performance of a wireless or wired network.

Oxidized - configuration backup software (IOS, JunOS) - silly attempt at rancid

netperf - Netperf is a benchmark that can be used to measure the performance of many different types of networking. It provides tests for both unidirectional throughput, and end-to-end latency. - HewlettPack...

RANCID - RANCID - Really Awesome New Cisco confIg Differ.