Video SDK from Zoom - Build fully customizable video-based apps
Platypus - Realtime server monitoring and reporting
Amazon Chime - Online meetings and video conferencing
Datadog - See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.
AuthKey.io - SMS API and WhatsApp Business API
Nagios - Complete monitoring and alerting for servers, switches, applications, and services