Caddy — #1 Alternative to NGINX Plus
Go-powered web server and reverse proxy with automatic HTTPS by default
Caddy provisions and renews Let’s Encrypt and ZeroSSL certificates automatically (including on-demand TLS for SaaS custom domains), configured via either a concise 3-line Caddyfile or live zero-reload JSON API.
License: Apache-2.0 · Pricing: Free & Open Source · Compare all NGINX Plus alternatives · Official Website