XID is an open-source identity platform built for Cloudflare Workers. One codebase gives you Hosted Auth with passkey-first sign-in, a full OIDC/OAuth 2.1 identity provider, multi-tenant organizations with RBAC, enterprise federation (SAML, OIDC, SCIM), and SDKs for every major framework. Self-host on your own Cloudflare account with the full feature set - no tiering, no license checks. MIT licensed.
