X-CMD - Lightweight POSIX script for managing tools (500+) and providing classic command extensions in an open-source environment.
Minify Javascript - Online Compressor / Packer
DNS Propagation Checker - Global DNS Checker Tool
PageSpeed Insights
Broken Link Checker
Responsive Website Design Tester | Media Genesis
GTmetrix | Website Performance Testing and Monitoring
TinyPNG – Compress WebP, PNG and JPEG images intelligently