Traefik is an open source reverse proxy and load balancer that auto-discovers Docker and Kubernetes service routing from container labels and annotations. MIT licensed; self-host with Docker.
Open source alternatives to NGINX Plus
2 free, self-hostable tools you can use instead of NGINX Plus, sorted by GitHub stars.
Alternatives to NGINX Plus 2
Nginx
Replaces NGINX Plus
High-performance web server and reverse proxy for TLS termination, load balancing, and content caching. BSD-2-Clause, runs on Docker or bare metal.