Top 12 Open-Source Alternatives to WorkOS

WorkOS

Application and Data, Application Utilities, and User Management and Authentication.

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Product categories

APIs Authentication Authorization B2B SaaS Cyber Security Developer Tools Identity And Access Management Identity Provider SSO Security & Privacy Two Factor Authentication User Management And Authentication

Summary

The top open-source alternatives to WorkOS are Auth0, Frontegg, and Clerk. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Auth0 Landing Page
1

Auth0

Auth0 is a program for people to get authentication and authorization services for their own business use.
Pricing:
- Open Source
#Single Sign-On #SSO #Identity Provider 203 social mentions
Frontegg Landing Page
2

Frontegg

Elegant user management, tailor-made for B2B SaaS
Pricing:
- Open Source
- Freemium
- Free Trial
#User Management And Authentication #Identity And Access Management #Security & Privacy 7 social mentions
Clerk Landing Page
3

Clerk

Clerk.io, the artificial intelligence for e-commerce that knows your customers interests.
Pricing:
- Open Source
#eCommerce #Retail Management #Developer Tools 1 social mentions
FusionAuth Landing Page
4

FusionAuth

FusionAuth is a CIAM platform that is 100% free for unlimited users.
Pricing:
- Open Source
- Freemium
- Free Trial
#Password Management #SSO #Identity Provider 30 social mentions
BoxyHQ Landing Page
5

BoxyHQ

Security Building Blocks for the AI era! AI Security - LLM Vault, Authentication - SAML/OIDC SSO, Directory Sync (SCIM 2.0), Audit Logs, Data Privacy Vault, and more!
Pricing:
- Open Source
- Free
- Free Trial
- $49.0 / Monthly (Per connection)
#Open Source #Developer Tools #Security & Privacy
Keycloak Landing Page
6

Keycloak

Open Source Identity and Access Management for modern Applications and Services.
Pricing:
- Open Source
#SSO #Identity Provider #Identity And Access Management 4 social mentions
Clerk Authentication Landing Page
7

Clerk Authentication

Clerk is a complete suite of embeddable UIs, flexible APIs, and admin dashboards to authenticate and manage your users.
Pricing:
- Open Source
#SSO #Identity Provider #Authentication 46 social mentions
SuperTokens Landing Page
8

SuperTokens

Open Source User Authentication - An Alternative to Auth0 / Firebase Auth / AWS Cognito
Pricing:
- Open Source
- Freemium
- Free Trial
#Security #User Management And Authentication #Identity Verification And Protection 45 social mentions
Spring Security Landing Page
9

Spring Security

The Spring portfolio has many projects, including Spring Framework, Spring IO Platform, Spring Cloud, Spring Boot, Spring Data, Spring Security...
Pricing:
- Open Source
#Web Application Security #Identity Provider #Two Factor Authentication 13 social mentions
OAuth2 Landing Page
10

OA

OAuth2

Application and Data, Application Utilities, and User Management and Authentication
Pricing:
- Open Source
#SSO #Identity Provider #Identity And Access Management
ZITADEL Landing Page
11

ZITADEL

The Identity Infrastructure for Modern B2B SaaS
Pricing:
- Open Source
- Freemium
- $100.0 / Monthly (1'000 Daily Active Users included)
#Endpoint Security #Identity And Access Management #Cyber Security 19 social mentions
Permit.io Landing Page
12

Permit.io

Fullstack Authorization as a Service for cloud native applications
Pricing:
- Open Source
#SSO #Identity Provider #Developer Tools 18 social mentions