MultiTCP is a benchmark environment for testing TCP congestion avoidance algorithms and other TCP enhancements. It uses the kernel logs to print out segments statistics and internal TCP variables, to analyze and understand Linux TCP behavior.
AdaptiveCells J2EE generates test-beds for benchmarking J2EE performance. They consists of highly customizable EJB cells that can emulate CPU load, memory usage, memory leaks and exceptions. The behaviour of the cells is coordinated from a web front-end.