Top 12 Open-Source Alternatives to Spring Security

Product categories

Authentication Authorization Cyber Security Development Endpoint Security Identity And Access Management Identity Provider Membership Management Monitoring Tools SAML SSO Two Factor Authentication

Summary

The top open-source alternatives to Spring Security are Let's Encrypt, Auth0, 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.

Let's Encrypt Landing Page
1

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
Auth0 Landing Page
2

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
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
JSON Web Token Landing Page
5

JSON Web Token

JSON Web Tokens are an open, industry standard RFC 7519 method for representing claims securely between two parties.
Pricing:
- Open Source
#Identity Provider #Identity And Access Management #SSO 276 social mentions
OmniAuth Landing Page
6

OmniAuth

OmniAuth is a flexible authentication system utilizing Rack middleware.
Pricing:
- Open Source
#Identity And Access Management #Identity Provider #SSO
Passport.js Landing Page
7

Passport.js

Simple, unobtrusive authentication for Node.js
Pricing:
- Open Source
#Identity And Access Management #Identity Provider #Authentication 3 social mentions
ZITADEL Landing Page
8

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
SimpleSAMLphp Landing Page
9

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
Userbase Landing Page
10

Userbase

Add user accounts & data persistence to your static site.
Pricing:
- Open Source
#Identity Provider #Membership Management #Social Networks 6 social mentions
IdentityServer Landing Page
11

IdentityServer

An open-source, standards-compliant, and flexible OpenID Connect and OAuth 2.x framework for ASP.NET Core
Pricing:
- Open Source
#Identity Provider #Identity And Access Management #SSO 7 social mentions
Authelia Landing Page
12

Authelia

Authelia is an open-source authentication server providing SSO and two-factor for your applications running behind NGINX.
Pricing:
- Open Source
#Identity And Access Management #Authentication #SSO