projectM - projectM is an LGPL'ed reimplementation of Milkdrop under OpenGL.
Pingdom - With website monitoring from Pingdom you will be the first to know when your website is down. No installation required. 30-day free trial.
Audacity - Audacity is a free and open-source audio production software suite that includes a surprising array of editing tools and recording systems.
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
Free Audio Editor - Free Audio Editor is a sound editor program for Windows.
Better Uptime - We call you when your website goes down