Software Alternatives, Accelerators & Startups

OAuth

OAuth is an open standard for authorization. It allows users to share their private resources (e.g.

Some of the top features or benefits of OAuth are: Delegated Authorization, Third-Party Integration, Granular Access Control, Enhanced Security, and User Experience. You can visit the info page to learn more.

Best OAuth Alternatives & Competitors in 2025

The best OAuth alternatives based on verified products, community votes, reviews and other factors.
Filter: 12 Open-Source Alternatives. Latest update:

  1. 35

    OpenID is a safe, faster and easier way to log in to web sites.

    Key OpenID features:

    Single Sign-On Decentralized Authentication Improved User Experience Enhanced Privacy

    Open Source

    /openid-alternatives
  2. 22

    Auth0 is a program for people to get authentication and authorization services for their own business use.

    Key Auth0 features:

    Ease of Use Security Scalability Customization

    Open Source

    /auth0-alternatives
  3. Verify your customers in under 15 seconds anywhere in the world with a cutting-edge SaaS & API platform for Identity Verification and AML/KYC compliance.

    Key ComplyCube features:

    AML & Sanctions Screening PEP Checks Negative Media Screening Watchlist Screening

    Try for free freemium $0.1 (per credit)

    Try for free
  4. 13

    ASP.NET SAML is an open-source authentication utility that has been used for exchanging authentication and authorization data between the channels.

    Key ASP.NET SAML features:

    Interoperability Enhanced Security Single Sign-On (SSO) Standard Protocol

    /asp-net-saml-alternatives
  5. 17

    BugMeNot is a free Internet service that provides usernames and passwords to allow users to bypass the registration process for websites.

    Key BugMeNot features:

    Convenience Privacy Time-saving Access to Content

    /bugmenot-alternatives
  6. 15

    ASP.NET Identity is a membership-based software system designed for the authentication and authorization of the users via building an ASP.NET application.

    Key ASP.NET Identity features:

    Integrated with ASP.NET Framework Supports Multiple Authentication Methods Customizable Role and Claim-based Authorization

    /asp-net-identity-alternatives
  7. 12

    DotNetOpenAuth is a free-to-use compiled library that comes with the real support to your site visitor to login with the help of openIDs via getting control of the ASP.NET control onto the page.

    Key DotNetOpenAuth features:

    Comprehensive Support Security Features Community and Documentation Integration with .NET Framework

    /dotnetopenauth-alternatives
  8. 15

    humanID is a one-click anonymous SSO that provides users with an anonymous identity layer.

    Key humanID features:

    Privacy-Focused Spam Reduction User Control Security

    /humanid-alternatives
  9. 11

    Okta Workforce Identity is utility software for enterprises that provides a new way of work that enable your employees, contractors, and partners to use technology on any device.

    Key Okta Workforce Identity features:

    Comprehensive Security User-friendly Interface Integration Capabilities Scalability

    /okta-workforce-identity-alternatives
  10. 11

    An open-source, standards-compliant, and flexible OpenID Connect and OAuth 2.x framework for ASP.NET Core.

    Key IdentityServer features:

    Open Source Foundation Comprehensive Protocol Support Customizability Enterprise-Ready

    Open Source

    /identityserver-alternatives
  11. 13

    PwdLess is an open-source and reliable authentication server that legitimizes you to register or login users without the need for a password.

    Key PwdLess features:

    Enhanced Security User Convenience Reduced Maintenance Modern Authentication

    /pwdless-alternatives
  12. 18

    An email-based, passwordless authentication service that you can host yourself.

    Key Portier features:

    Decentralization Simplicity Email-based Security

    Open Source

    /portier-alternatives
  13. 11

    On-demand SSO, directory integration, user provisioning and more.

    Key OneLogin features:

    User-Friendly Interface Single Sign-On (SSO) Capabilities Comprehensive Integrations Enhanced Security Features

    /onelogin-alternatives
  14. 12

    Je ziet twee keuzemogelijkheden: Haarlem en Den Bosch. Je gebruikt de optie Haarlem om in te loggen in de Agentdesktop in Haarlem en de optie voor Den Bosch om in te loggen in de Agentdesktop in Den Bosch.

    Key Login2 features:

    Convenience Time-Saving Security Features

    /login2-alternatives
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