caddyserver/caddy
Web server with automatic HTTPS.
Key features
- Serves HTTP/1.1, HTTP/2, and HTTP/3 by default
- Obtains public certificates from ZeroSSL and Let's Encrypt
- Runs a local certificate authority for internal names and IPs
- Configure with a Caddyfile, JSON, or the JSON API
- Coordinates with other Caddy instances in a cluster
- Category
- Trending Repos
- Who it's for
- People who need a multi-platform HTTP web server with automatic HTTPS.
- Tags
- githubcaddyserverauthsecurity
- Website
- github.com
- Listed
- 2026-10-12
Frequently asked questions
Is caddyserver/caddy free?
Yes. caddyserver/caddy is open source and free to use.
What is caddyserver/caddy used for?
Web server with automatic HTTPS. Typical uses: serves HTTP/1.1, HTTP/2, and HTTP/3 by default; obtains public certificates from ZeroSSL and Let's Encrypt; runs a local certificate authority for internal names and IPs.
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