PerfView is a CPU and memory performance-analysis tool
Formatted output of timed sections in Julia
Install and run Python applications in isolated environments
Image loading system
Macro(s) for vectorizing loops
A Node.js tool to automate end-to-end web testing
Test automation made simple
Zerocopy makes zero-cost memory manipulation effortless
Prevents your Mac from going to sleep
Headless Chromium-based web performance metrics collector
RSpec for Rails 5+
LazyLoad is a lightweight, flexible script that speeds up your website
Clinic.js diagnoses your Node.js performance issues
Plugin style, non-invasive APM system developed by WeChat
High performance tabular data exporter
CAT is the basic component of the server project
CLI tool for ensuring that a given script runs continuously
Marathon supports testing of Java/Swing and Java/Fx applications.
Scriptable database and system performance benchmark
Fast, full-stack, headless browser testing using node.js
An online request replication tool, also a tcp stream replay tool
Automatic PageSpeed optimization module for Nginx
Library of Approximate Adders