Haproxy - Reliable, High Performance TCP/HTTP Load Balancer
AWS Elastic Load Balancing - Amazon ELB automatically distributes incoming application traffic across multiple Amazon EC2 instances in the cloud.
node-http-proxy - A full-featured http proxy for node.js. Contribute to http-party/node-http-proxy development by creating an account on GitHub.
Ericom Connect - Ericom Connect
Traefik - Load Balancer / Reverse Proxy
nginx - A high performance free open source web server powering busiest sites on the Internet.