Wireshark : Wireshark is the world's foremost network protocol analyzer. It lets you see what's happening on your network at a microscopic level. It is the de fac...
LibreNMS : A fully featured network monitoring system that provides a wealth of features and device support.
Smocker : Smocker (server mock) is a simple and efficient HTTP mock server. Smocker exposes a configuration user interface and a configuration api to register n...
Siege : Siege is an http load testing and benchmarking utility. It was designed to let web developers measure their code under duress, to see how it will stan...
An HTTP Viewer and HTTP Sniffer for IE and Firefox