Usetiful - Fight user churn with great user onboarding. Interactive product tours and smart tips significantly improve your user retention.
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.
Vision Helpdesk - Help Desk Software, Multi-Company Help Desk, ITSM Service Desk & Live Chat Software
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring