SlowHTTPTest is a highly configurable tool that simulates some Application Layer Denial of Service attacks. It works on majority of Linux platforms, OSX and Cygwin - a Unix-like environment and command-line interface for Microsoft Windows.
t50
Multi-protocol packet injector tool for *nix systems, actually supporting 15 protocols. Features: - Flooding - CIDR support - TCP, UDP, ICMP, IGMPv2, IGMPv3, EGP, DCCP, RSVP, RIPv1, RIPv2, GRE, ESP, AH, EIGRP and OSPF support. - TCP Options. - High performance. - Can hit about 1.000.000 packets per second.
Termineter
Termineter is a framework written in python to provide a platform for the security testing of smart meters. It implements the C12.18 and C12.19 protocols for communication.
THC-SSL-DOS
THC-SSL-DOS is a tool to verify the performance of SSL. Establishing a secure SSL connection requires 15x more processing power on the server than on the client. THC-SSL-DOS exploits this asymmetric property by overloading the server and knocking it off the Internet.
cisco-global-exploiter
Cisco Global Exploiter (CGE), is an advanced, simple and fast security testing tool.
THC-IPV6
A complete tool set to attack the inherent protocol weaknesses of IPV6 and ICMP6, and includes an easy to use packet factory library.