Cost / License
- Free
- Open Source (GPL-3.0)
Platforms
- Self-Hosted
- NGINX
- Docker

Kno is described as 'API for providing secure passwordless authentication for your web application. Kno offers web-based, one click access' and is an app. There are more than 10 alternatives to Kno for a variety of platforms, including Web-based, Self-Hosted, SaaS, Linux and Docker apps. The best Kno alternative is VoidAuth, which is both free and Open Source. Other great apps like Kno are Keycloak, ZITADEL , authentik and AuthKit.

OneLogin is a cloud-based IAM solution providing users secure access to cloud applications from any device.
Ory builds cloud-native authentication (login), authorization (permission), delegation (OAuth2, OpenID Connect), and user management software. You can deploy what you need yourself or use the Ory Network and get started in minutes.
OpenAM provides open source authentication, authorization, entitlement and federation software. Through OpenAM, the community actively continues development of OpenSSO.
MojoAuth is the safest passwordless authentication solution that enables your users to login seamlessly with an email OTP or magic link or WebAuthn, which in turn provides stronger security to your business.



