What are some alternatives?
When comparing Lightstreamer and IronWorker, you can also consider the following products
Socket.io - Realtime application framework (Node.JS server)
Kubernetes - Kubernetes is an open source orchestration system for Docker containers
Pusher - Pusher is a hosted API for quickly, easily and securely adding scalable realtime functionality via WebSockets to web and mobile apps.
AWS Fargate - AWS Fargate is a compute engine for Amazon ECS and EKS that allows you to run containers without having to manage servers or clusters.
PubNub - PubNub is a real-time messaging system for web and mobile apps that can handle API for all platforms and push messages to any device anywhere in the world in a fraction of a second without having to worry about proxies, firewalls or mobile drop-offs.
Rancher - Open Source Platform for Running a Private Container Service