KEMP Load Balancer - L4/7 Load Balancer w SSL offload
V2Ray - A platform for building proxies to bypass network restrictions.
Avi Vantage Load Balancer - Avi Vantage is a suite of multi-cloud application services that, among others, consist of a Software Load balancer to help provide you with a scalable, quick, and secure application experience.
XX-Net - XX-Net is GoAgent with improvements.
Microsoft Azure Traffic Manager - Microsoft Azure Traffic Manager is a great solution that enables you to route incoming traffic for high availability and performance.
GoAgent - GoAgent is a gae proxy forked from gappproxy/wallproxy.