caddyserver/caddy

Caddy is a high-performance, cross-platform web server built with Go that prioritizes security and ease of use. It is distinctive for its automatic HTTPS implementation and modular architecture.

Key Highlights

• Automatic HTTPS by default using ZeroSSL or Let's Encrypt
• Flexible configuration via Caddyfile or JSON with a powerful API
• Support for HTTP/1.1, HTTP/2, and HTTP/3 out of the box
• Highly extensible modular system without external dependencies

Best For

Developers and DevOps engineers who want a secure, modern web server that handles TLS management automatically, reducing operational overhead and complexity.