Showing 686 open source projects for "authentication"

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  • 1
    Central Authentication Service (CAS)

    Central Authentication Service (CAS)

    Identity & Single Sign On for all earthlings and beyond

    Welcome to the home of the Apereo Central Authentication Service project, more commonly referred to as CAS. CAS is an enterprise multilingual single sign-on solution and identity provider for the web and attempts to be a comprehensive platform for your authentication and authorization needs. CAS is an open and well-documented authentication protocol. The primary implementation of the protocol is an open-source Java server component by the same name hosted here, with support for a plethora of additional authentication protocols and features. ...
    Downloads: 2 This Week
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  • 2
    Lexik JWT Authentication Bundle

    Lexik JWT Authentication Bundle

    JWT authentication for your Symfony API

    LexikJWTAuthenticationBundle is a Symfony bundle that provides JWT (JSON Web Token) authentication for RESTful APIs. It simplifies the process of generating and validating JWTs for secure user authentication. The bundle integrates seamlessly with Symfony’s security system, allowing developers to implement token-based authentication efficiently while maintaining flexibility in user management.
    Downloads: 1 This Week
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  • 3
    Apereo CAS WAR Overlay Template

    Apereo CAS WAR Overlay Template

    Apereo CAS WAR Overlay template

    Welcome to the home of the Apereo Central Authentication Service project, more commonly referred to as CAS. CAS is an enterprise multilingual single sign-on solution and identity provider for the web and attempts to be a comprehensive platform for your authentication and authorization needs. CAS Overlay Template is a ready-to-use template for quickly deploying the Apereo CAS (Central Authentication Service) server, simplifying authentication management for developers.
    Downloads: 4 This Week
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  • 4
    Better Auth

    Better Auth

    The most comprehensive authentication library for TypeScript

    Better Auth is framework-agnostic authentication (and authorization) library for TypeScript. It provides a comprehensive set of features out of the box and includes a plugin ecosystem that simplifies adding advanced functionalities with minimal code in a short amount of time. Whether you need 2FA, multi-tenant support, or other complex features. It lets you focus on building your actual application instead of reinventing the wheel.
    Downloads: 3 This Week
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  • 5
    Jackson

    Jackson

    Streamline your web application's authentication with Jackson

    An open-source authentication and SSO (Single Sign-On) solution that simplifies enterprise authentication for SaaS applications.
    Downloads: 0 This Week
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  • 6
    Guardian

    Guardian

    Elixir Authentication

    Guardian is a token based authentication library for use with Elixir applications. Guardian remains a functional system. It integrates with Plug but can be used outside of it. If you're implementing a TCP/UDP protocol directly or want to utilize your authentication via channels in Phoenix, Guardian can work for you. The core currency of authentication in Guardian is the token.
    Downloads: 2 This Week
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  • 7
    Agent Auth Protocol

    Agent Auth Protocol

    Standard and implementation for AI agent authentication

    Agent Auth Protocol is a specification-oriented project within the Better Auth ecosystem that defines a structured protocol for authentication between applications and autonomous agents. It is designed to standardize how AI agents and services securely authenticate, communicate, and manage identity within modern software systems. Built alongside the broader Better Auth framework, it integrates with a comprehensive authentication system that supports features like OAuth, multi-factor authentication, and session management. ...
    Downloads: 0 This Week
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  • 8
    Auth.js

    Auth.js

    Authentication for the Web

    Auth.js is a set of open-source packages that are built on standard Web APIs for authentication in modern applications with any framework on any platform in any JS runtime.
    Downloads: 0 This Week
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  • 9
    Google2FA

    Google2FA

    One Time Password Authentication package, compatible with Google Auth

    Google2FA is a PHP package that implements two-factor authentication (2FA) using Time-based One-Time Passwords (TOTP) compatible with Google Authenticator and similar apps. It enhances account security by requiring users to enter a time-sensitive code in addition to their password. The library is lightweight, reliable, and easy to integrate into any PHP or Laravel-based authentication flow.
    Downloads: 0 This Week
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  • 10
    Authenticator Pro

    Authenticator Pro

    Two-Factor Authentication (2FA) client for Android + Wear OS

    Authenticator Pro is a free and open-source two-factor authentication app for Android. It features encrypted backups, icons, categories, a high level of customization, and even a Wear OS app. Unlike some alternative apps, Authenticator Pro gives you control over your data. You can import from other apps and export at any time. Authenticator Pro is a community-backed open-source project which aims to provide privacy and security to users.
    Downloads: 8 This Week
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  • 11
    Spring Security

    Spring Security

    Authentication and access-control framework

    Spring Security is a powerful and highly customizable authentication and access-control framework. It is the de-facto standard for securing Spring-based applications. Spring Security is a framework that focuses on providing both authentication and authorization to Java applications. Like all Spring projects, the real power of Spring Security is found in how easily it can be extended to meet custom requirements.
    Downloads: 1 This Week
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  • 12
    Kanidm

    Kanidm

    Kanidm: A simple, secure, and fast identity management platform

    ...To achieve this we rely heavily on strict defaults, simple configuration, and self-healing components. This allows Kanidm to support small home labs, families, small businesses, and all the way to the largest enterprise needs. If you want to host your own authentication service, then Kanidm is for you.
    Downloads: 1 This Week
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  • 13
    ZITADEL

    ZITADEL

    Identity infrastructure, simplified for you

    Secure authentication management for your application. Customize as you grow, with easy APIs and programmable workflows. Focus on growing, your login is in good hands. Streamline your application development with our all-in-one identity suite. Designed for all user types, be it consumers, businesses, or employees. Offload complex tasks by using our API as solid abstractions.
    Downloads: 0 This Week
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  • 14
    Fail2Ban

    Fail2Ban

    Daemon to ban hosts that cause multiple authentication errors

    ...Out of the box Fail2Ban comes with filters for various services (apache, courier, ssh, etc). Fail2Ban is able to reduce the rate of incorrect authentications attempts however it cannot eliminate the risk that weak authentication presents. Configure services to use only two factor or public/private authentication mechanisms if you really want to protect services.
    Downloads: 2 This Week
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  • 15
    appwrite

    appwrite

    Secure Backend Server for Web, Mobile & Flutter Developers

    Appwrite is a self-hosted and cloud backend-as-a-service platform that provides developers with all the core APIs required to build any application. Build your entire backend within minutes and scale effortlessly using Appwrite's open-source platform. Add Authentication, Databases, Functions, Storage, and Messaging to your projects using the frameworks and languages of your choice.
    Downloads: 3 This Week
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  • 16
    magiclinksdev

    magiclinksdev

    Transactional email magic link and One-Time Password (OTP)

    The magiclinksdev project is an authentication service for magic link and One-Time Password (OTP) use cases. There is built-in email support through Amazon SES and SendGrid.
    Downloads: 0 This Week
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  • 17
    VoidAuth

    VoidAuth

    Single Sign-On for Your Self-Hosted Universe

    VoidAuth is a self-hosted, open-source Single Sign-On (SSO) authentication provider that simplifies managing user access and identity for a suite of private applications. Built around standards like OpenID Connect (OIDC), it serves as a central authentication authority so that users can log in once and gain secure access to multiple services without duplicating credentials. The platform offers a user and group management interface where administrators can invite users, enable self-registration, and configure policies like multi-factor authentication and password resets with email verification. ...
    Downloads: 0 This Week
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  • 18
    Casdoor

    Casdoor

    An open-source Identity and Access Management (IAM)

    ...Casdoor is supporting multi-languages, using i18n to support multi-languages UI. For more languages support, welcome to propose in our community. Casdoor SDK provides many functions, such as identity authentication, user management, resource upload, etc. Access to Casdoor is very convenient, please visit How to Connect to Casdoor for details. Casdoor also support sign up directly. By filling your Username, Display name, Password and Email, after your receive your Email code, you can sign up in Casdoor.
    Downloads: 5 This Week
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  • 19
    Keycloak

    Keycloak

    Identity and access management for modern applications and services

    Add authentication to applications and secure services with minimum fuss. No need to deal with storing users or authenticating users. It's all available out of the box. You'll even get advanced features such as User Federation, Identity Brokering and Social Login. Keycloak is an open source Identity and Access Management solution aimed at modern applications and services.
    Downloads: 7 This Week
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  • 20
    Proton Authenticator for Android

    Proton Authenticator for Android

    Official Android implementation of a modern two-factor authentication

    Proton Authenticator for Android is Proton’s official Android implementation of a modern two-factor authentication (2FA) app, designed to generate secure, time-based one-time passwords (TOTPs) and support multi-account authentication workflows with strong privacy and encryption features. The app enables users to link 2FA tokens for their online accounts, scan QR codes, and generate rotating verification codes that enhance login security across services that support TOTP standards. ...
    Downloads: 1 This Week
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  • 21
    jwt-auth

    jwt-auth

    JSON web token authentication for Laravel and Lumen

    jwt-auth provides a simple means of authentication within Laravel using JSON Web Tokens (spec). There are several ways to create a token within the package. There are simple ways to do it, and more advanced methods if you want greater control. The most common way to create a token would be to authenticate the user via their login credentials, and if successful return a token corresponding to that user.
    Downloads: 2 This Week
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  • 22
    Logto

    Logto

    Authentication and authorization infrastructure for SaaS and AI apps

    ...It supports multi-tenancy, role-based access control, enterprise SSO, MFA, social login, and customizable authentication experiences. Developers can integrate it through SDKs for many popular frameworks and languages. Logto is especially useful for teams that need production-grade identity features while keeping control over branding, architecture, and deployment options.
    Downloads: 0 This Week
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  • 23
    Pocket ID

    Pocket ID

    Easy-to-use OIDC provider that allows to authenticate with passkeys

    Pocket-ID is an open-source OpenID Connect (OIDC) identity provider that prioritizes passwordless authentication using modern passkeys, making secure login easier for self-hosted services. By supporting passkeys instead of traditional passwords, Pocket-ID aligns with evolving web authentication standards, letting users sign in with devices, hardware keys like YubiKey, or platform-managed credentials. It’s designed to be simpler to install and use than larger identity solutions like Keycloak or Hydra and integrates smoothly with other self-hosted applications that understand OIDC protocols. ...
    Downloads: 0 This Week
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  • 24
    Aegis Authenticator

    Aegis Authenticator

    A free, secure and open source app for Android

    Aegis Authenticator is a free and open-source two-factor authentication (2FA) app for Android that helps users secure their online accounts by generating cryptographic one-time passwords (OTPs) such as TOTP and HOTP codes. Unlike many proprietary MFA apps, Aegis is designed with user privacy and local control in mind, storing secrets only on the device in an encrypted vault protected by PIN or biometric unlock, and offering features like backups encrypted with a user-chosen passphrase. ...
    Downloads: 5 This Week
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  • 25
    MaxKey

    MaxKey

    MaxKey SSO ,Leading-Edge IAM-IDaas(Identity and Access Management)

    Maxkey Single Sign On System, which means the Maximum key, Leading-Edge IAM/IDaas Identity and Access Management product, supports OAuth 2.x/OpenID Connect, SAML 2.0, JWT, CAS, SCIM, and other standard protocols, and provide Secure, Standard and Open Identity management (IDM), Access management (AM), Single Sign On (SSO), RBAC permission management and Resource management. MaxKey focuses on performance, security, and ease of use in enterprise scenarios, is widely used in industries such as...
    Downloads: 0 This Week
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