Sitespeed - Sitespeed.io is an open source tool that helps to analyze and optimize website speed and performance.
Quick License Manager - Quick License Manager (QLM) is a license protection framework that creates professional and secure license keys to protect software against piracy.
Blackfire.io - Blackfire empowers all PHP developers and IT/Ops to continuously verify and improve their app’s performance, throughout its lifecycle, by getting the right information at the right moment.
Labs64 NetLicensing - Monetize your digital products and services
Apache JMeter - Apache JMeter™.
LicenseSpring - Reliable and easy to use License-As-A-Service (LaaS) for for any software application