Top 12 Open-Source Alternatives to JSON Web Token

The top open-source alternatives to JSON Web Token are Auth0, Spring Security, and OAuth2. 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
#Identity And Access Management #Identity Provider #SSO 175 social mentions
Spring Security Landing Page
2

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
#Identity And Access Management #Identity Provider #Two Factor Authentication 8 social mentions
OAuth2 Landing Page
3

OA

OAuth2

Application and Data, Application Utilities, and User Management and Authentication
Pricing:
- Open Source
#Identity Provider #Identity And Access Management #SSO
Keycloak Landing Page
4

Keycloak

Open Source Identity and Access Management for modern Applications and Services.
Pricing:
- Open Source
#Identity And Access Management #Identity Provider #SSO 4 social mentions
OmniAuth Landing Page
5

OmniAuth

OmniAuth is a flexible authentication system utilizing Rack middleware.
Pricing:
- Open Source
#Identity And Access Management #Identity Provider #SSO
ZITADEL Landing Page
6

ZITADEL

Identity infrastructure, simplified for you.
Pricing:
- Open Source
- Freemium
- $100.0 / Monthly (1'000 Daily Active Users included)
#Cyber Security #Identity And Access Management #Authentication 15 social mentions
FusionAuth Landing Page
7

FusionAuth

FusionAuth is a CIAM platform that is 100% free for unlimited users.
Pricing:
- Open Source
- Freemium
- Free Trial
#Authentication #User Management And Authentication #Multi-factor Authentication 29 social mentions
Let's Encrypt Landing Page
8

Let's Encrypt

Let’s Encrypt is a free, automated, and open certificate authority brought to you by the Internet Security Research Group (ISRG).
Pricing:
- Open Source
#Identity And Access Management #Two Factor Authentication #Security & Privacy 311 social mentions
Passport.js Landing Page
9

Passport.js

Simple, unobtrusive authentication for Node.js
Pricing:
- Open Source
#Identity And Access Management #Identity Provider #Authentication 3 social mentions
Ory Landing Page
10

Ory

Developer-first Access Management
Pricing:
- Open Source
#Identity And Access Management #Identity Provider #SSO 17 social mentions
Userbase Landing Page
11

Userbase

Add user accounts & data persistence to your static site.
Pricing:
- Open Source
#Identity Provider #Membership Management #Social Networks 6 social mentions
SimpleSAMLphp Landing Page
12

SimpleSAMLphp

SimpleSAMLphp is an OAuth authentication application written in native PHP.
Pricing:
- Open Source
#Identity And Access Management #Identity Provider #Monitoring Tools 4 social mentions