Secure Your Web Application with These 16 Open-Source & SaaS Authentication Tools
Tags: iam, auth, authentication, authorization
Published: 2023-01-25 04:43:32

---
title: Secure Your Web Application with These 16 Open-Source & SaaS Authentication Tools
published: true
date: 2023-01-18 19:36:41 UTC
tags: IAM,Auth,Authentication,Authorization
canonical_url: https://techdevblog.io/secure-youear-web-application-with-these-16-open-source-saas-authentication-tools/
---

 ![Secure Your Web Application with These 16 Open-Source & SaaS Authentication Tools](https://techdevblog.io/content/images/2023/01/image_0-28.jpg)

Authentication is an important part of any web application. Without it, your users won't be able to securely access your services. Here are sixteen open-source and SaaS authentication tools that can help you protect your users' data and keep your application secure.

## 1. [Keycloak](https://www.keycloak.org/)

**[Keycloak](https://www.keycloak.org/)** is an open-source identity and access management platform. [Keycloak](https://www.keycloak.org/) provides secure authentication and authorization for web and mobile applications. It supports a wide range of authentication protocols, including social login, passwordless authentication, single sign-on (SSO) & SAML. [Keycloak](https://www.keycloak.org/) also provides an easy-to-use dashboard for managing users and applications.

## 2. [Firebase Authentication](https://firebase.google.com/docs/auth)

**[Firebase Authentication](https://firebase.google.com/docs/auth)** is a cloud-based authentication service from Google that provides secure authentication and authorization for web and mobile applications. It supports several authentication methods, including social login, passwordless authentication, and single sign-on.

## 3. [Microsoft Azure Active Directory](https://azure.microsoft.com/en-gb/products/active-directory)

**[Microsoft Azure Active Directory](https://azure.microsoft.com/en-gb/products/active-directory)** is a cloud-based identity and access management platform from Microsoft that provides secure authentication and authorization for web and mobile applications. It supports several authentication methods, including social login, passwordless authentication, and single sign-on. [Microsoft Azure Active Directory](https://azure.microsoft.com/en-gb/products/active-directory) supports a wide range of authentication protocols, including SAML, OpenID Connect, OAuth 2.0, and more. It also provides an easy-to-use dashboard for managing users and applications.

## 4. [Auth0](https://auth0.com/)

**[Auth0](https://auth0.com/)** is a cloud-based authentication, authorisation and identity management platform. Although sadly acquired by Okta, and despite having annoying limitations, especially on mobile platforms, it remains a staple of the authentication ecosystem. [Auth0](https://auth0.com/) offers a wide range of features, including single sign-on, multi-factor authentication, and social login. It also supports a variety of protocols, such as OpenID Connect, SAML, and OAuth. And yes, [Auth0](https://auth0.com/) too provides an easy-to-use dashboard for managing users and applications.

## 5. [Amazon Cognito](https://aws.amazon.com/cognito/)

**[Amazon Cognito](https://aws.amazon.com/cognito/)** is a cloud-based authentication platform from Amazon that offers both open-source and SaaS solutions. Unless working with AWS solutions and requiring in-depth AWS IAM integration, you'll probably want to stay clear of that one. That being said, [Amazon Cognito](https://aws.amazon.com/cognito/) supports a wide range of authentication protocols, including SAML, OpenID Connect, OAuth 2.0, and more. It also provides a not so easy to use dashboard for managing users and applications.

## 6. [Google Identity Platform](https://developers.google.com/identity/)

**[Google Identity Platform](https://developers.google.com/identity/)** is a cloud-based authentication and authorisation platform from Google. It offers a wide range of features, including single sign-on, multi-factor authentication, and social login. It also supports a variety of protocols, such as OpenID Connect, SAML, and OAuth.

## 7. [Gluu](https://gluu.org)

**[Gluu](https://gluu.org)** is an open-source authentication platform that supports a wide range of authentication protocols, including SAML, OpenID Connect, OAuth 2.0, and more. It also provides an easy-to-use dashboard for managing users and applications.

## 8. [CAS (Central Authentication Service)](https://apereo.github.io/cas/6.6.x/index.html)

**[CAS (Central Authentication Service)](https://apereo.github.io/cas/6.6.x/index.html)** is an open-source single sign-on service that provides secure authentication and authorisation for web and mobile applications. It supports several authentication methods, including social login, passwordless authentication, and single sign-on.

## 9. [UAA (User Account and Authentication Server)](https://github.com/cloudfoundry/uaa)

**[UAA (User Account and Authentication Server)](https://github.com/cloudfoundry/uaa)** is an open-source service providing secure authentication and authorisation for web and mobile applications. It supports several authentication methods, including social login, passwordless authentication, and single sign-on.

## 10. [OneLogin](https://www.onelogin.com)

\*\*[OneLogin](https://www.onelogin.com)\*\*o is a cloud-based identity and access management platform that provides secure authentication and authorisation for web and mobile applications. It supports many authentication methods, including social login, passwordless authentication, and single sign-on.

## 11. [Stormpath](https://stormpath.com/)

**[Stormpath](https://stormpath.com/)** is a cloud-based authentication and authorisation platform offering both open-source and SaaS solutions. It offers a wide range of features, including single sign-on, multi-factor authentication, and social login. It also supports a variety of protocols, such as OpenID Connect, SAML, and OAuth. [Stormpath](https://stormpath.com/) also provides an easy-to-use dashboard for managing users and applications.

## 12. [Ping Identity](https://www.pingidentity.com)

\*\* [Ping Identity](https://www.pingidentity.com)\*\* is a cloud-based authentication platform that offers both open-source and SaaS solutions. It supports a wide range of authentication protocols, including SAML, OpenID Connect, OAuth 2.0, and more. It also provides an easy-to-use dashboard for managing users and applications.

## 13. [Duo Security](https://duo.com/)

**[Duo Security](https://duo.com/)** is a cloud-based multi-factor authentication platform. It offers a wide range of features, including single sign-on, multi-factor authentication, and social login. [Duo Security](https://duo.com/) also supports a variety of protocols, such as OpenID Connect, SAML, and OAuth.

## 14. [AuthRocket](https://authrocket.com)

**[AuthRocket](https://authrocket.com)** is a cloud-based authentication platform that offers both open-source and SaaS solutions. It supports a wide range of authentication protocols, including SAML, OpenID Connect, OAuth 2.0, and more. [AuthRocket](https://authrocket.com) also provides an easy-to-use dashboard for managing users and applications.

## 15. [FreeIPA](https://www.freeipa.org/)

**[FreeIPA](https://www.freeipa.org/)** is an open-source authentication and authorisation platform. It offers a wide range of features, including single sign-on, multi-factor authentication, and social login. [FreeIPA](https://www.freeipa.org/) also supports a variety of protocols, such as OpenID Connect, SAML, and OAuth.

## 16. [Authy](https://www.authy.com/)

**[Authy](https://www.authy.com/)** is a cloud-based authentication service from Twilio. [Authy](https://www.authy.com/) provides secure authentication and authorisation for web and mobile applications. It supports multiple authentication methods, including two-factor authentication, single sign-on, and social login. It also supports a variety of protocols, such as OpenID Connect, SAML, and OAuth.

## 17. [The Tech Dev Blog](https://techdevblog.io/)

Yes, the **[Tech Dev Blog](https://techdevblog.io/)** is branching out into authentication! >e're just kidding; don't worry, This is not _that_ kind of blog post.

## Conclusion

Authentication is a crucial part of any web application. Choosing the right authentication tool for your application can be tricky, but thankfully there are a lot of great open-source and SaaS authentication tools available to help you out. We hope this list of 16 open-source & SaaS authentication tools helps you find the right one for your application.

We hope this list of open-source and SaaS authentication tools helps you choose the best authentication solution for your application. If you have any questions or comments, please let us know in the comments section below. And to learn more about authentication and authorisation, be sure to subscribe to the Tech Dev Blog's newsletter for the latest updates and tips!

Good luck, and happy authenticating!

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