Auth0 is not available as a self-hosted solution but there are plenty of alternatives for power users and business that want to host a solution on-premise. The best Self-Hosted alternative is Keycloak, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Auth0 and many of them are available as a self-hosted solution so hopefully you can find a suitable replacement. Other interesting Self-Hosted alternatives to Auth0 are Authelia, ZITADEL , AuthKit and Hanko.
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.
Rauthy is a lightweight and easy to use Identity Provider supporting OpenID Connect, OAuth 2.0 and PAM. It aims to be simple to both set up and operate, with very secure defaults and lots of config options, if you need the flexibility.
The Gluu Server is a container distribution of free open source software (FOSS) for identity and access management (IAM). SaaS, custom, open source and commercial web and mobile applications can leverage a Gluu Server for user authentication, identity information, and policy...
Single Sign-On for your employees to help them get their job done more efficiently; it also helps your company act more securely, by providing a single point of provisioning and deprovisioning.
An open-source, standards-compliant, and flexible OpenID Connect and OAuth 2.0 framework for ASP.NET Core.
FreeRADIUS is responsible for authenticating one third of all users on the Internet. Welcome to the FreeRADIUS project, the open source implementation of RADIUS, an IETF protocol for AAA (Authorisation, Authentication, and Accounting).
openNAC is an opensource Network Access Control for corporate LAN / WAN environments. It enables authentication, authorization and audit policy-based all access to network. It supports diferent network vendors like Cisco, Alcatel, 3Com or Extreme Networks, and different clients...
The Curity Identity Server brings identity and API security together, allowing scalable and secure user access to apps and websites. In addition, it enables consistent authentication experiences for customers, employees, and partners.
All-in-one access management solution providing strong and adaptive authentication, authorization, single sign-on (SSO), entitlements, federation and web services security.
SuperTokens is an open source user authentication solution. Using SuperTokens, developers can add secure, hassle free auth to their mobile application or website in less than a day. It is an alternative to Auth0, Firebase Auth and AWS Cognito.
RCDevs' OpenOTP Security Suite is an all-in-one enterprise solution for multi-factor authentication (MFA), identity and access management (IAM), single sign-on (SSO), public key infrastructure (PKI), network access control (NAC), and mobile badging.
An open-source UI-first Identity and Access Management (IAM) / Single-Sign-On (SSO) platform with web UI supporting OAuth 2.0, OIDC, SAML, CAS, LDAP, SCIM, WebAuthn, TOTP, MFA, Face ID, RADIUS, Google Workspace, Active Directory and Kerberos.
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It is a truly free and open alternative and is built with a modern architecture in mind.