Sipp is a performance testing tool for the SIP protocol. Its main features are basic SIPStone scenarios, TCP/UDP transport, customizable (XML-based) scenarios, dynamic adjustment of call-rate and a comprehensive set of real-time statistics.
hammer is a Http load testing tool for Unix/Linux platforms. hammer reads scripts of XML that describe the load tests. hammer is implemented in C++ using Xerces-C and Commoncpp2.