What is Caddy?
Caddy is the ultimate server making your sites more secure, more reliable, and more scalable than any other solution. The most advanced HTTPS server in the world. By default, Caddy automatically obtains and renews TLS certificates for all your sites. Features: All you need for TLS and PKI, on-line config API (JSON + RESTful), PCI/HIPAA/NIST compliant defaults, HTTPS for localhost with auto-managed CA, cluster coordination for fleets, fewer moving parts simplifying infrastructure. Production-grade static file server with compression, virtual file systems, range requests. 4x faster PHP apps. Written in Go for native CPU performance.
Key Features
- ✓Automatic HTTPS
- ✓TLS certificate management
- ✓Let's Encrypt integration
- ✓PCI/HIPAA/NIST compliant
- ✓JSON config API
- ✓Caddyfile configuration
- ✓Reverse proxy
- ✓Static file server
- ✓Cluster coordination
- ✓Internal PKI
- ✓Written in Go
- ✓OCSP stapling
🔒 Privacy & Data Protection
Caddy is fully open-source and self-hosted. All TLS and certificate management happens on your server. No data leaves your infrastructure. For developers wanting NGINX alternatives with modern automatic HTTPS, Caddy delivers security by default.
Best For
💰 Pricing
Caddy is completely free and open-source under Apache 2.0. Commercial support and software assurance available.
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