statuspage - A simple self-hosted status page site with an API written in Django under the BSD license.
SpeakPipe - SpeakPipe is a tool enabling organizations to receive voice messages from the audience directly on the website.
UptimeRobot - Free Website Uptime Monitoring
UserIQ - UserIQ combines user intelligence, customer health, and targeted engagements to help you deliver what each customer needs to be successful.
StatusPage.io - StatusPage.io is the best way for web infrastructure, developer API, and SaaS companies to get set up with their very own status page in minutes. Integrate public metrics and allow your customers to subscribe to be updated automatically.
Aspect Via Customer Engagement Center - Aspect Via is a customer engagement platform that covers all the customer service bases while taking full advantage of Amazon Web Service (AWS) cloud services and infrastructure.