Browse free open source Authentication software and projects for Windows and Linux below. Use the toggles on the left to filter open source Authentication software by OS, license, language, programming language, and project status.

  • Auth0 for AI Agents now in GA Icon
    Auth0 for AI Agents now in GA

    Ready to implement AI with confidence (without sacrificing security)?

    Connect your AI agents to apps and data more securely, give users control over the actions AI agents can perform and the data they can access, and enable human confirmation for critical agent actions.
    Start building today
  • Grafana: The open and composable observability platform Icon
    Grafana: The open and composable observability platform

    Faster answers, predictable costs, and no lock-in built by the team helping to make observability accessible to anyone.

    Grafana is the open source analytics & monitoring solution for every database.
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  • 1
    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: 12 This Week
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  • 2
    nuBuilder Forte

    nuBuilder Forte

    nuBuilder Forte is a cloud database builder.

    nuBuilder Forte is the 4th version of nuBuilder. A open-source browser-based tool created for developing web-based database applications. nuBuilder uses either MySQL or MariaDB databases and gives its users the ability to do database operations like... • Search, Create, Insert, Read, Update, Delete ✪ With low-code tools that create ... - Forms with the Form Builder - Fast Reports - Database queries with the SQL Builder - Customised date and number formats with the Format Builder - Calculated fields with the Formula Builder - Email Templates - Move and resize objects. - Further customisation that can be done with JavaScript and PHP. ✪ nuBuilder stores all forms, reports, company data and PHP/JavaScript code in MySQL. You can backup your entire application within a single database file. ✪ Easy installation: - Download and unzip the nuBuilder files - Upload to your webserver - Create a database (e.g. nubuilder4) and optionally a user - Make a copy of
    Downloads: 24 This Week
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  • 3
    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: 5 This Week
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  • 4
    AWS Jupyter Proxy

    AWS Jupyter Proxy

    Jupyter server extension to proxy requests with AWS SigV4 authentican

    A Jupyter server extension to proxy requests with AWS SigV4 authentication. This server extension enables the usage of the AWS JavaScript/TypeScript SDK to write Jupyter frontend extensions without having to export AWS credentials to the browser. A single /awsproxy endpoint is added on the Jupyter server which receives incoming requests from the browser, uses the credentials on the server to add SigV4 authentication to the request, and then proxies the request to the actual AWS service endpoint. All requests are proxied back-and-forth as-is, e.g., a 4xx status code from the AWS service will be relayed back as-is to the browser. Using this requries no additional dependencies in the client-side code. Just use the regular AWS JavaScript/TypeScript SDK methods and add any dummy credentials and change the endpoint to the /awsproxy endpoint.
    Downloads: 3 This Week
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  • Desktop and Mobile Device Management Software Icon
    Desktop and Mobile Device Management Software

    It's a modern take on desktop management that can be scaled as per organizational needs.

    Desktop Central is a unified endpoint management (UEM) solution that helps in managing servers, laptops, desktops, smartphones, and tablets from a central location.
    Learn More
  • 5
    Ember Simple Auth

    Ember Simple Auth

    A library for implementing authentication/authorization in Ember.js

    Ember Simple Auth is a lightweight library for implementing authentication/authorization with Ember.js applications. It has minimal requirements with respect to application structure, routes etc. With its pluggable strategies it can support all kinds of authentication and authorization mechanisms. it maintains a client-side session and synchronizes its state across multiple tabs/windows of the application. it authenticates the session against the application's own server, external providers like Facebook etc. The session service is the main interface to the library. It provides methods for authenticating and invalidating the session as well as for setting and reading session data. The session store persists the session state so that it survives a page reload. It also synchronizes the session state across multiple tabs or windows of the application so that e.g. a logout in one tab or window also results in a logout in all other tabs or windows of the application.
    Downloads: 3 This Week
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  • 6
    Casdoor

    Casdoor

    An open-source Identity and Access Management (IAM)

    A UI-first Identity Access Management (IAM) / Single-Sign-On (SSO) platform supporting OAuth 2.0, OIDC, SAML and CAS, integrated with Casbin RBAC and ABAC permission management. Within a few steps, we can setup a Casdoor app and realize our authorization management. Casdoor has a front-end back-end separation architecture, with maneuverable web UI and supporting high concurrency. 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: 2 This Week
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  • 7
    IdentityServer4

    IdentityServer4

    OpenID Connect and OAuth 2.0 Framework for ASP.NET Core

    IdentityServer is a free, open-source OpenID Connect and OAuth 2.0 framework for ASP.NET Core. Founded and maintained by Dominick Baier and Brock Allen, IdentityServer4 incorporates all the protocol implementations and extensibility points needed to integrate token-based authentication, single-sign-on and API access control in your applications. IdentityServer4 is officially certified by the OpenID Foundation and thus spec-compliant and interoperable. It is part of the .NET Foundation and operates under their code of conduct. It is licensed under Apache 2 (an OSI-approved license). Active development happens on the main branch. This always contains the latest version. Each (pre-) release is tagged with the corresponding version. The aspnetcore1 and aspnetcore2 branches contain the latest versions of the older ASP.NET Core based versions.
    Downloads: 2 This Week
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  • 8
    Apache APISIX

    Apache APISIX

    The cloud-native API gateway

    Provides rich traffic management features such as load balancing, dynamic upstream, canary release, circuit breaking, authentication, observability, and more. Based on the Nginx library and etcd. Cloud-native microservices API gateway, delivering the ultimate performance, security, open source and scalable platform for all your APIs and microservices. Apache APISIX is based on Nginx and etcd. Compared with traditional API gateways, APISIX has dynamic routing and plug-in hot loading, which is especially suitable for API management under micro-service system. You can use Apache APISIX as a traffic entrance to process all business data, including dynamic routing, dynamic upstream, dynamic certificates, A/B testing, canary release, blue-green deployment, limit rate, defense against malicious attacks, metrics, monitoring alarms, service observability, service governance, etc.
    Downloads: 1 This Week
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  • 9
    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. Monitor and track application and system behavior, statistics and metrics in real-time. Manage and review audits and logs centrally, and publish data to a variety of downstream systems. Manage and register client applications and services with specific authentication policies. Cross-platform client support (Java, .NET, PHP, Perl, Apache, etc).
    Downloads: 1 This Week
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  • The AI workplace management platform Icon
    The AI workplace management platform

    Plan smart spaces, connect teams, manage assets, and get insights with the leading AI-powered operating system for the built world.

    By combining AI workflows, predictive intelligence, and automated insights, OfficeSpace gives leaders a complete view of how their spaces are used and how people work. Facilities, IT, HR, and Real Estate teams use OfficeSpace to optimize space utilization, enhance employee experience, and reduce portfolio costs with precision.
    Learn More
  • 10
    Sentry

    Sentry

    Cross-platform application monitoring and error tracking software

    Sentry is a cross-platform, self-hosted error monitoring solution that helps software teams discover, monitor and fix errors in real-time. The most users and logs will have to provide are the clues, and Sentry provides the answers. Sentry offers enhanced application performance monitoring through information-laden stack traces. It lets you build better software faster and more efficiently by showing you all issues in one place and providing the trail of events that lead to errors. It also provides real-time monitoring and data visualization through dashboards. Sentry’s server is in Python, but its API enables for sending events from any language, in any application. More than fifty-thousand companies already ship better software faster thanks to Sentry; let yours be one of them!
    Downloads: 1 This Week
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  • 11
    Uptrace

    Uptrace

    Open source APM: OpenTelemetry traces, metrics, and logs

    Uptrace is an open-source APM tool that supports distributed tracing, metrics, and logs. You can use it to monitor applications and set up automatic alerts to receive notifications via email, Slack, Telegram, and more. Uptrace is an open-source APM that supports OpenTelemetry tracing, metrics, and logs. You can use it to monitor applications and set up alerts to receive notifications via email, Slack, Telegram, and more. Uptrace collects and analyzes data from a variety of sources, including servers, databases, cloud providers, monitoring tools, and custom applications. It provides a unified view of the entire technology stack, enabling you to monitor the performance, availability, and health of your systems in real-time. Uptrace allows to monitor your whole application stack on a compact and informative dashboard. You get a quick overview for all your services, hosts, and systems.
    Downloads: 1 This Week
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  • 12

    UnboundID LDAP SDK for Java

    A Java-based LDAP API

    A fast, comprehensive, and easy-to-use Java API for communicating with LDAP directory servers and performing related tasks like reading and writing LDIF, encoding and decoding data using base64 and ASN.1 BER, and performing secure communication.
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    Downloads: 5 This Week
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  • 13
    multiOTP open source

    multiOTP open source

    PHP strong authentication library, web interface & CLI, OATH certified

    multiOTP is a PHP class, a powerful command line utility and a web interface developed by SysCo systèmes de communication sa in order to provide a completely free and easy operating system independent server side implementation for strong two factors authentication solution. multiOTP supports hardware and software tokens with different One-Time Password algorithms like OATH/HOTP, OATH/TOTP and mOTP (Mobile-OTP). QRcode generation is also embedded in order to support provisioning of Google Authenticator software tokens. SMS code sending is currently implemented for several providers (ASPSMS, Clickatell and IntelliSMS). The data storage of the command line utility is by default flat files based in order to simplify deployment in a few minutes, but MySQL backend is supported too. multiOTP can be easily integrated in RADIUS servers like FreeRADIUS under Linux/Windows or TekRADIUS LT under Windows. multiOTP is also the engine of the credential provider multiOTP Credential Provider.
    Downloads: 16 This Week
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  • 14
    csv2ldif2 is a command line tool written in perl that converts CSV files to LDIF files. Features: Platform independent, reads from STDIN and writes to STDOUT, ignoring/selecting specific fields of the CSV, choosing a custom base-dn and much more!
    Downloads: 6 This Week
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  • 15
    iF.SVNAdmin
    The iF.SVNAdmin application is a web based GUI to your Subversion authorization file. It is based on PHP 5.3 and requires a web server (Apache) to be installed. (+ LDAP integration; no database required)
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    Downloads: 4 This Week
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  • 16
    A C# module to allow ASP.Net sites to easily use the TypeKey authentication service.
    Downloads: 0 This Week
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  • 17
    AccesStream is a Java-based, embeddable identity and access management (IAM), security and access reporting platform. AccesStream includes Single Sign-On using SAML 2.0 and provides profile storage with LDAP v3 access for integration with Linux PAM
    Downloads: 0 This Week
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  • 18
    Spring Security (formerly Acegi Security) is now hosted on the Spring Framework website: http://www.springframework.org/spring-security/
    Downloads: 0 This Week
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  • 19
    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: 0 This Week
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  • 20
    Authing

    Authing

    IDaaS/IAM solution that can Auth to web and mobile applications

    Authing quickly implements authentication and user management for any Web, App, and enterprise software to provide the most complete login solution for your customers and employees. Authing serves as an identity infrastructure, or Identity As A Service (IDaaS) for cloud computing. Authing focuses on identity and building social infrastructure for identity sharing across all SaaS software and users to help companies build a secure modern IT infrastructure that not only protects their business but also redefines the user experience. Authing is the foundation for secure connections between a complex identity ecology and an application ecology in which countless identities access applications and resources in a borderless way. Authing taking "API first" as the product cornerstone, all commonly used functions in the identity field are modularized and all capabilities are provided to developers through the full scene programming language SDK.
    Downloads: 0 This Week
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  • 21
    Encode/Decode library to/from Basic Encoding Rules (BER) of ASN.1 written in Visual Basic .Net. Useful to implement any protocol that uses BER (LDAP, SNMP, etc.).
    Downloads: 0 This Week
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  • 22
    BatchSSH (or just bssh) is a command line tool for batch execution of commands over SSHv2. BatchSSH is implemented in Java and is therefore platform agnostic. It support's simple but flexible target host definition, SSH gateways and Single-Sign-On.
    Downloads: 0 This Week
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  • 23
    BoxyHQ Enterprise SaaS Starter Kit

    BoxyHQ Enterprise SaaS Starter Kit

    Kickstart your enterprise app development with the Next.js SaaS

    Enterprise-ready SaaS Starter Kit is a Next.js-based SaaS Starter Kit that can save hundreds of development hours while building enterprise-ready SaaS apps. Kickstart your enterprise app development with Next.js SaaS Starter Kit.
    Downloads: 0 This Week
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  • 24
    Deadlock is a powerful, fully featured user management system primarily written to protect web directories and documents using Apache's htaccess and htpasswd. Deadlock is written in PHP and uses a MySQL database.
    Downloads: 0 This Week
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  • 25
    Open Source Single Sign-On (SSO) and Identity Management
    Downloads: 0 This Week
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