Best Identity & SSO Tools

Explore leading tools in the Identity & SSO category, including open-source options and SaaS products. Compare features, use cases, and find the best fit for your workflow.

10+ open-source projects · 7 SaaS products

Top open-source Identity & SSO

These projects are active, self-hostable choices for knowledge management teams evaluating alternatives to SaaS tools.

View all 10+ open-source options
Keycloak logo

Keycloak

Open Source Identity and Access Management for Modern Applications

Stars
32,336
License
Apache-2.0
Last commit
1 day ago
JavaActive
Authelia logo

Authelia

Authentication and authorization server with SSO and 2FA

Stars
26,439
License
Apache-2.0
Last commit
1 day ago
GoActive
Better Auth logo

Better Auth

Comprehensive authentication and authorization library for TypeScript

Stars
25,378
License
MIT
Last commit
1 day ago
TypeScriptActive
authentik logo

authentik

Open-source Identity Provider for modern SSO and authentication

Stars
19,791
License
Last commit
1 day ago
PythonActive
Ory Kratos logo

Ory Kratos

API‑first identity server for secure, scalable user management

Stars
13,362
License
Apache-2.0
Last commit
1 day ago
GoActive
Casdoor logo

Casdoor

UI-first IAM and SSO platform with comprehensive protocol support

Stars
12,882
License
Apache-2.0
Last commit
1 day ago
GoActive
Most starred project
32,336★

Open Source Identity and Access Management for Modern Applications

Recently updated
1 day ago

Add authentication and secure services with minimum effort. Keycloak handles user federation, strong authentication, user management, and fine-grained authorization without storing credentials yourself.

Dominant language
Go • 6 projects

Expect a strong Go presence among maintained projects.

Popular SaaS Platforms to Replace

Understand the commercial incumbents teams migrate from and how many open-source alternatives exist for each product.

View all 7 SaaS options
Amazon Cognito logo

Amazon Cognito

Customer identity and access management service for adding user sign-up, sign-in, and authentication to apps

Identity & SSO
Alternatives tracked
18 alternatives
Auth0 logo

Auth0

Cloud-based identity management platform for adding user authentication and authorization to applications

Identity & SSO
Alternatives tracked
18 alternatives
Clerk logo

Clerk

User authentication and identity APIs for web and mobile apps

Identity & SSO
Alternatives tracked
18 alternatives
JumpCloud logo

JumpCloud

Cloud directory platform for identity and device management

Identity & SSO
Alternatives tracked
18 alternatives
Okta logo

Okta

Identity and access management platform for workforce and customers

Identity & SSO
Alternatives tracked
18 alternatives
Stytch logo

Stytch

User authentication APIs and SDKs

Identity & SSO
Alternatives tracked
18 alternatives
Most compared product
10+ open-source alternatives

Amazon Cognito is a cloud-based identity management service that enables developers to add user sign-up, sign-in, and access control to web and mobile applications. It provides a user directory, supports authentication standards (OAuth 2.0, OpenID Connect), and can federate identities from social and enterprise identity providers, simplifying the implementation of secure user authentication flows.

Leading hosted platforms

Frequently replaced when teams want private deployments and lower TCO.

Explore related categories

Browse neighbouring categories in Security to widen your evaluation.