If you're talking about Caddy, its plugins are cross-platform, because Go (as long as you don't use CGO, or at least that your plugin that needs CGO also works

If you're talking about Caddy, its plugins are cross-platform, because Go (as long as you don't use CGO, or at least that your plugin that needs CGO also works on Windows). Read about Caddy's architecture here: https://caddyserver.com/docs/architecture https://caddyserver.com/docs/architecture