12 Best Open Source AWS Cognito Alternatives
A curated collection of the 12 best open source and self-hosted alternatives to AWS Cognito in 2026.
Looking for a free, privacy-friendly, or self-hosted replacement for AWS Cognito in 2026? The top open-source alternative is Hanko — Open source authentication platform supporting passkeys, 2FA, SSO, and social login. Self-host or use Hanko Cloud, with full control over your data and no lock-in..
Other highly rated open-source AWS Cognito alternatives include Keycloak, Better Auth and Authentik.
Open source authentication platform supporting passkeys, 2FA, SSO, and social login. Self-host or use Hanko Cloud, with full control over your data and no lock-in.
Open source authentication platform supporting passkeys, 2FA, SSO, and social login. Self-host or use Hanko Cloud, with full control over your data and no lock-in.
Comprehensive open source identity management solution offering single sign-on, social login, and fine-grained authorization for applications and services.
Comprehensive open source identity management solution offering single sign-on, social login, and fine-grained authorization for applications and services.
A comprehensive authentication framework offering email/password, social sign-on, two-factor auth, and multi-tenant support with full TypeScript integration.
A comprehensive authentication framework offering email/password, social sign-on, two-factor auth, and multi-tenant support with full TypeScript integration.
authentik is an open-source identity provider that offers self-hosted authentication, authorization, and user management for businesses of all sizes.
authentik is an open-source identity provider that offers self-hosted authentication, authorization, and user management for businesses of all sizes.
An open-source identity solution offering customizable login experiences, multi-tenant support, and comprehensive user management.
An open-source identity solution offering customizable login experiences, multi-tenant support, and comprehensive user management.
ZITADEL provides a comprehensive identity management solution with easy APIs, customizable workflows, and serverless deployment options.
ZITADEL provides a comprehensive identity management solution with easy APIs, customizable workflows, and serverless deployment options.
Open-source authentication solution offering flexible, self-hosted user management with advanced features and easy integration.
Open-source authentication solution offering flexible, self-hosted user management with advanced features and easy integration.
Ory is a certified and battle-tested identity solution backed by a large open source community and trusted by Fortune 500 companies.
Ory is a certified and battle-tested identity solution backed by a large open source community and trusted by Fortune 500 companies.
Self-hostable platform combining user auth, payments, email, and analytics into modular building blocks that fit around your existing product.
Self-hostable platform combining user auth, payments, email, and analytics into modular building blocks that fit around your existing product.
Open-source authorization service for implementing fine-grained access controls. Centralized, scalable solution supporting RBAC, ABAC and ReBAC with Google Zanzibar-inspired architecture.
Open-source authorization service for implementing fine-grained access controls. Centralized, scalable solution supporting RBAC, ABAC and ReBAC with Google Zanzibar-inspired architecture.
A scalable authorization layer that provides fine-grained access control through externalized policies, enabling secure and flexible permissions management.
A scalable authorization layer that provides fine-grained access control through externalized policies, enabling secure and flexible permissions management.
Authgear is a managed IAM platform handling authentication, SSO, and user management for B2C and B2B apps, with biometrics, MFA, and zero-trust support.
Authgear is a managed IAM platform handling authentication, SSO, and user management for B2C and B2B apps, with biometrics, MFA, and zero-trust support.
About AWS Cognito
Fully managed authentication service that lets you implement customer identity and access management (CIAM) that scales to millions of users.