PerfView is a CPU and memory performance-analysis tool
Macro(s) for vectorizing loops
Clinic.js diagnoses your Node.js performance issues
Real-time analysis and diagnostics tools for OpenResty
Scriptable database and system performance benchmark
Command Line profiler of CPU usage
An online request replication tool, also a tcp stream replay tool
Slows down any given Windows process (written in C#)
A bash-Script to collect metrics from a Linux system.
A benchmark to test your CPU, RAM, and system
Java based CPU stress testing tool
Increase your android performance
Library tools to collect timing in Java, C, C++
SarBox helps user to parse or analyze sar data