StresStimulus
Load testing for websites, mobile and enterprise apps
CitraTest APM
End-user performance monitoring for Citrix, RDS, VDI and Windows applications
Valgrind
Instrumentation framework for dynamic analysis tools
VB Watch
Profiler, error protector and debugger for VB6
WAPT
Load and stress testing of web applications
Wbox
HTTP benchmarking, stress testing and checking tool