UptimeRobot - Free Website Uptime Monitoring
Microsoft BitLocker - BitLocker is a full disk encryption feature included with Windows Vista and later.
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.
Paubox - Paubox provides HIPAA compliant email encryption without the hassle of extra steps.
Opteo - Opteo searches for statistically significant patterns in an account and creates "optimization tasks" to improve account performance.
OpenSSH - OpenSSH is a free version of the SSH connectivity tools that technical users rely on.