ToolVitals

Identity & Access Management

Alternatives to Stack Auth

Compare healthier or more active tools in the same use case using ToolVitals public evidence.

View Stack Auth profile View Identity & Access Management leaderboard

Why compare

Signals behind this alternatives page

  • Maintenance and shipping signals are strong.
  • Health score: 91/100.
  • Shipping score: 98/100.

Switching guide

Best alternatives by need

Best overallKeycloak

Highest organic ToolVitals fit for this use case.

Healthier optionsAuthentik, Casdoor, Thunder

Stronger current public-health signal than Stack Auth.

Verified open/source-visibleKeycloak, Authentik, Casdoor, Jans

Useful when portability and inspectability matter.

Trust note: Sponsors and affiliate links are separate from rankings. ToolVitals does not let monetization change scores, risk labels, organic ordering, or evidence display.

Ranked alternatives

Best-fit identity & access management options

12 tools
01

Keycloak

Open Source Identity and Access Management For Modern Applications and Services

Active
Health91
Shipping100
Score96
Confidence100
Stars34.9k
ModeSource-visible project
View profile Compare with Stack Auth
03

Casdoor

An open-source Agent-first Identity and Access Management (IAM) /LLM MCP & agent gateway and auth server with web UI supporting OpenClaw, MCP, OAuth, OIDC, SAML, CAS, LDAP, SCIM, WebAuthn, TOTP, MFA, Face ID, Google Workspace, Azure AD

Active
Health95
Shipping100
Score98
Confidence100
Stars13.8k
ModeSource-visible project
View profile Compare with Stack Auth
04

Jans

Open source digital identity infrastructure with OAuth/OpenID and SSO components.

Active
Health91
Shipping100
Score95
Confidence92
Stars632
ModeSource-visible project
View profile Compare with Stack Auth
07

Logto

🧑‍🚀 Authentication and authorization infrastructure for SaaS and AI apps, built on OIDC and OAuth 2.1 with multi-tenancy, SSO, and RBAC.

Active
Health94
Shipping89
Score94
Confidence100
Stars12.2k
ModeSource-visible project
View profile Compare with Stack Auth
08

Passbolt

Passbolt Community Edition (CE) API. The JSON API for the open source password manager for teams!

Active
Health90
Shipping81
Score90
Confidence100
Stars6k
ModeSource-visible project
View profile Compare with Stack Auth