CategoriesAuthentication

Companies in the category 'Authentication'

These are companies that provide open source tools for verifying the identity of users or systems.

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Showing 1-11 of 11 items
Stack Auth

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.

Founded: 2024
Industries
Software
Technologies
JavaScriptNext.js
Sectors
Developers
Licenses
MIT
Updated: March 13, 2026
2 people
1 headlines
Casdoor

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.

Founded: 2020
Industries
Software
Technologies
JavaScriptOAuth 2.0
Sectors
Enterprise
Licenses
Apache-2.0
Updated: March 13, 2026
2 people
2 headlines
Ory

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.

Location: Scottsdale, AZ, USA
Founded: 2019
Industries
Software
Technologies
Identity and Access ManagementSecurity
Sectors
Enterprise
Licenses
Apache-2.0
Updated: August 7, 2025
5 people
2 headlines
SuperTokens

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.

Location: San Francisco, CA, USA
Founded: 2019
Industries
Software
Technologies
User ManagementIdentity Management
Sectors
Developers
Licenses
Apache-2.0
Updated: August 7, 2025
2 people
1 headlines

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Tesseral

Open 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.

Location: San Francisco, CA, USA
Founded: 2023
Industries
Software
Technologies
B2B SaaSIdentity Management
Sectors
Enterprise
Licenses
MIT
Updated: August 6, 2025
3 people
1 headlines
Better Auth

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.

Location: Addis Ababa, Ethiopia
Founded: 2024
Industries
Software
Technologies
Permission ManagementSecurity
Sectors
Enterprise
Licenses
MIT
Updated: June 28, 2025
2 people
3 headlines
Bitwarden

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.

Location: Santa Barbara, CA, USA
Founded: 2016
Industries
Software
Technologies
PasskeysPassword Management
Sectors
Enterprise
Licenses
GPL-3.0
Updated: May 17, 2025
2 people
4 headlines
Logto

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.

Location: San Jose, CA, USA
Founded: 2021
Industries
Software
Technologies
OAuthIdentity Access Management
Sectors
Enterprise
Licenses
MPL-2.0
Updated: May 14, 2025
2 people
1 headlines
Unkey

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.

Location: Clayton, NC, USA
Founded: 2023
Industries
Software
Technologies
Access ControlSecurity
Sectors
Enterprise
Licenses
AGPL-3.0
Updated: May 14, 2025
2 people
4 headlines
authzed

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.

Location: New York, NY, USA
Founded: 2020
Industries
Software
Technologies
Access ControlAuthorization
Sectors
Enterprise
Licenses
Apache-2.0
Updated: April 23, 2025
3 people
2 headlines
Hanko

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.

Location: Berlin, Germany
Founded: 2018
Industries
Financial Services
Technologies
PasskeysWebAuthn
Sectors
Enterprise
Licenses
AGPL-3.0
Updated: April 19, 2025
1 person
5 headlines