statuspage - A simple self-hosted status page site with an API written in Django under the BSD license.
Dialogflow - Conversational UX Platform. (ex API.ai)
UptimeRobot - Free Website Uptime Monitoring
Octane AI - Octane AI offers tools to create a bot and engage customers and audience via messaging.
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.
Botpress - Open-source platform for developers to build high-quality digital assistants