Death Star is a 'multi-protocol stress testing' tool. Initially forked from LOIQ v0.3a, Death Star seeks to surpass LOIC and LOIQ in terms of performance, OS support and win.
NetChat is a network version of the "chat" utility that comes with PPP. It is a general purpose network "conversations" tool, designed for network testing. It can also be used for (very) quick setup of a server for a new protocol.