Authorizer
Authorizer is an open-source authentication and authorization solution for your applications.
Some of the top features or benefits of Authorizer are: Open Source, Easy Integration, Flexible Authentication Methods, Cost-Effective, and Community Support. You can visit the info page to learn more.
- Open Source
Best Authorizer Alternatives & Competitors in 2025
The best Authorizer alternatives based on verified products, community votes, reviews and other factors.
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12
Open-Source Alternatives.
Latest update:
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/typingdna-authenticator-alternatives
2FA codes in your browser, secured by the way you type
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/amazon-cognito-alternativesAmazon Cognito lets you add user sign-up, sign-in, and access control to your web and mobile apps quickly and easily. It scales to millions of users and supports sign-in with social identity providers and enterprise identity providers via SAML 2.0.
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Try for freeFlagsmith lets you manage feature flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features. We're Open Source.
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/loginradius-authentication-alternatives
Secure and robust authentication, SSO with user management
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/cotter-alternativesOne-click phone number login and checkout
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/supertokens-alternativesOpen Source User Authentication - An Alternative to Auth0 / Firebase Auth / AWS Cognito
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/typingdna-authentication-api-alternativesSecure users by their typing behavior with free low-code API
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/authpack-alternativesComplete user auth system installed with 8 lines of code.
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/keycloak-alternativesOpen Source Identity and Access Management for modern Applications and Services.
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/propelauth-alternativesPropelAuth hosts and manages your authentication.
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/auth0-alternativesAuth0 is a program for people to get authentication and authorization services for their own business use.
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/myki-authenticator-alternativesLogin to any account on any device with your fingerprint
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/servicebot-alternativesThe new, open source way to run a business online. Subscription billing, Self-service customer portal, service lifecycle management?
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/aserto-alternativesFine-grained, scalable authorization in minutes
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