MicroService Proxy Gateway Solutions
Kong, Traefik, Caddy, Linkerd, Fabio, Vulcand, and Netflix Zuul seem to be the most common in microservice proxy/gateway solutions. Kubernetes Ingress is often a simple Ngnix, which is difficult to separate the popularity from other things.
Github Star Trend:
This is just a picture of this link from March 2, 2019
Originally, I had included some other solution