Istio - Open platform to connect, manage, and secure microservices
CCProxy - Want to share Internet connection? Get every computer online through a single Internet connection?
Zuul - Zuul is a program that drives continuous integration, delivery, and deployment systems with a focus...
Apache Traffic Server - Fast, scalable and extensible HTTP/S 2 and 1.1 compliant caching proxy server.
KrakenD - KrakenD is a pure open source API Gateway that interacts with all your different microservices providing clients a single interface. Improves response times, saves bandwidth, delivers a better user experience and saves developers time.
3proxy - 3proxy freeware proxy server for Windows and Unix. HTTP, SOCKS, FTP, POP3