Conversations.im - XMPP client designed with ease of use and security in mind
Docker - Docker is an open platform that enables developers and system administrators to create distributed applications.
Signal - Fast, simple & secure messaging. Privacy that fits in your pocket.
Kubernetes - Kubernetes is an open source orchestration system for Docker containers
WhatsApp - WhatsApp Messenger: More than 1 billion people in over 180 countries use WhatsApp to stay in touch with friends and family, anytime and anywhere.
Amazon ECS - Amazon EC2 Container Service is a highly scalable, high-performance container management service that supports Docker containers.