Top 12 Open-Source Alternatives to Authpack

The top open-source alternatives to Authpack are Auth0, Keycloak, and Authorizer. 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
Keycloak Landing Page
2

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
Authorizer Landing Page
3

Authorizer

Authorizer is an open-source authentication and authorization solution for your applications.
Pricing:
- Open Source
#Developer Tools #Identity And Access Management #APIs 6 social mentions
Authgear Landing Page
4

Authgear

Authgear offers developers a simple, secure, and scalable User Management Solution for web and mobile apps.
Pricing:
- Open Source
- Freemium
- Free Trial
#User Management And Authentication #Multi-factor Authentication #Two Factor Authentication
PacketFence Landing Page
5

PacketFence

PacketFence is a Free and Open Source network access control (NAC) system.
Pricing:
- Open Source
#Identity And Access Management #Identity Provider #Managed WiFi 1 social mentions
FusionAuth Landing Page
6

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
Hanko Landing Page
7

Hanko

Empowering your journey from passwords to passkeys
Pricing:
- Open Source
#Developer Tools #Identity Provider #Cloud Computing
Ory Landing Page
8

Ory

Developer-first Access Management
Pricing:
- Open Source
#Identity And Access Management #Identity Provider #SSO 17 social mentions
Quarkslab Landing Page
9

Quarkslab

Quarkslab is a security platform that makes applications and data safe with its skilled vulnerability search tools and design of security solutions.
Pricing:
- Open Source
#Security & Privacy #Monitoring Tools #Identity And Access Management
Sumsub Landing Page
10

Sumsub

One verification platform to secure the whole user journey
Pricing:
- Open Source
- Paid
- Free Trial
#Identity Verification And Protection #Security #Identity Verification 8 social mentions
Spring Security Landing Page
11

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
Logto Landing Page
12

Logto

We learnt from our dev community that the identity service has been such a time-consuming and complex task for them in the past, which is why we’ve simplified the experience.
Pricing:
- Open Source
#Password Management #Password Managers #Visitor Management System 18 social mentions