Companies in the category 'Authentication'
These are companies that provide open source tools for verifying the identity of users or systems.
Open-source authentication and user management
Stack Auth provides an open-source suite of tools for authentication and user management. It offers solutions for managing B2B customers with organizations and teams, defining arbitrary permission trees and org-wide roles, and accessing third-party OAuth APIs. The platform aims to simplify authentication processes for developers with ready-to-use components and a headless SDK.
Open-source IAM/SSO platform with web UI.
Casdoor is an open-source UI-first Identity and Access Management (IAM) / Single-Sign-On (SSO) platform with web UI supporting various authentication protocols. It provides identity authentication, user management, and resource upload functions, and supports third-party application login.
API-first identity management for modern apps.
Ory provides modern and modular identity and access management (IAM) solutions that are scalable, flexible, and secure. They offer open-source tools and a managed service for authentication, authorization, and user management.
Open-source user authentication platform
SuperTokens is an open-source user authentication platform that enables developers to add secure login, session management, and user infrastructure to their applications within 15 minutes. It offers features like email/password login, passwordless authentication, social login, and multi-factor authentication with SDKs for 25+ frameworks.
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Check out COSS Weekly on the webOpen source auth infrastructure for B2B SaaS
Tesseral provides open source authentication infrastructure for B2B SaaS applications, offering a multi-tenant, API-first service that includes features like SAML SSO, SCIM provisioning, role-based access control, and multi-factor authentication. The company enables developers to implement comprehensive user management and authentication with just a few lines of code through their managed service or self-hosting options.
TypeScript authentication framework for web apps.
BetterAuth provides a robust set of open source authentication tools for SaaS apps that aim to make advanced, versatile authentication capabilities more accessible and user-friendly.
Password manager for secure credential storage.
Bitwarden is a password management solution that provides secure storage and sharing of sensitive information. It is built on open-source technology and serves both individual consumers and enterprises. The platform focuses on security and ease of use, offering features like password generation, autofill, and secure sharing.
Open-source authentication and identity platform
Logto is an open-source authentication solution that enables developers to quickly integrate authentication into their web and mobile applications. It supports multiple authentication methods and provides a customizable login experience.
API security and access control platform
Unkey is an API authentication platform that manages API keys, user authentication, and rate limiting for applications. It helps developers secure their apps, reduce security risks, and integrate authentication features quickly without building complex systems from scratch. The platform is designed for both individual developers and teams who want to implement secure, scalable API authorization while monitoring usage across their applications.
Authzed offers authorization infrastructure.
Authzed offers cloud infrastructure for authorization, providing tools for scalable and performant authorization systems. Their open-source project, SpiceDB, helps manage permissions at scale.
Open-source, privacy-first authentication
Hanko offers passwordless authentication using WebAuthn. Their solution allows websites and applications to implement passwordless login, multi-factor authentication, and account recovery without passwords. It serves enterprises and is built on technologies such as WebAuthn, Passkeys, and FIDO.

