httest is a script based tool for testing and benchmarking web applications, web servers, proxy servers and web browsers. httest can emulate clients and servers in the same test script, very useful for testing proxys.
RoofTop is a network/systems monitoring (NSM) tool that leverages SNMP standards to deliver critical health and performance monitoring through device based reports and graphs, event notifications, alerts, and configurable alarm thresholds.
TCGUI is a Java GUI tool for designing traffic control structure of Linux 2.2+. It provides the export to well structured and TCGUI-independent shell configuration scripts. TCGUI is very flexible since all features are defined in separate XML files.