
OpenAuthster is a brutalist, multi-tenant authentication engine running on Cloudflare edge. Own your identity layer. Zero fluff, absolute control.
Manage multiple projects and isolated user pools from a single admin dashboard.
HMAC-signed requests, two-tier sessions, TOTP and WebAuthn MFA built in.
Runs on Cloudflare Workers + D1. Zero cold starts, globally distributed.
Social, enterprise, custom QR and WebAuthn flows — all configurable per project.