Plerdy - Plerdy is a comprehensive conversation rate optimization software that caters to professional online marketers and agencies, allow them to enhance website performance and increase revenue greatly.
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.
Basil Chat - Design feedback via chat
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
Loops Feedback - Feedback on design ideas in minutes via 110m+ people
Better Uptime - We call you when your website goes down