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Caddy vs Traefik: catalog facts
Caddy	Traefik
Free Free and open source under Apache 2.0.	Free Traefik Proxy is free and open source. Traefik Hub and enterprise products are paid.
Windows, macOS, Linux, Self-hosted	Windows, macOS, Linux, Self-hosted
Automatic HTTPS by default, including a managed local CA for internal names and IPs A working reverse proxy with TLS takes two lines of configuration	Routes appear automatically from Docker labels or Kubernetes resources Automatic Let's Encrypt certificates including DNS challenges
Fewer third-party modules and less documentation than nginx Adding modules means rebuilding the binary with xcaddy	Middleware and provider configuration is verbose and version-sensitive Some enterprise features live in the paid Traefik Hub product
Downloadable app, Self-hosted	Self-hosted
Open source	Open source
License: Apache-2.0	License: MIT
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.