SKUDONET - Scale easy and avoid system disruptions with the ADC challengers through high availability, load balancing, security and high performance.
nginx - A high performance free open source web server powering busiest sites on the Internet.
iNetFusion - use multiple internets at once
AWS Elastic Load Balancing - Amazon ELB automatically distributes incoming application traffic across multiple Amazon EC2 instances in the cloud.
Google Cloud Load Balancing - Google Cloud Load Balancer enables users to scale their applications on Google Compute Engine.
Haproxy - Reliable, High Performance TCP/HTTP Load Balancer