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Best Stack Auth Alternatives in 2026

Looking for something different? Here are the top alternatives to Stack Auth, including direct competitors and similar tools.

Why Look for Stack Auth Alternatives?

While Stack Auth is well-rated (6.5/10), it might not be the perfect fit for every team. Common reasons users switch: as a newer platform, it has less community traction and fewer real-world deployment examples than established giants like auth0 or supabase auth., less turnkey than fully managed saas alternatives, requiring more setup.. Explore the alternatives below to find the best match for your specific needs and budget.

S

Stack Auth

FREEMIUM
6.5(0)
Open-source authentication and user management platform

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C

Cybereason

ENTERPRISE

Endpoint detection and response with AI-powered threat hunting

APPROVED
R

Rapid7

PAID

Security analytics and automation platform with InsightVM and InsightIDR

APPROVED
Q

Qualys

PAID

Cloud-based vulnerability management and compliance platform

APPROVED
T

Tenable

PAID

Vulnerability management and exposure assessment platform

APPROVED
P

Palo Alto Networks

ENTERPRISE

Enterprise cybersecurity with next-generation firewalls and cloud security

APPROVED
F

Fortinet

ENTERPRISE

Network security with next-generation firewalls and threat protection

APPROVED
O

OneLogin

PAID

Cloud identity management with SSO and directory integration

APPROVED
P

Ping Identity

ENTERPRISE

Enterprise identity security with single sign-on and MFA

APPROVED
D

Duo Security

FREEMIUM

Multi-factor authentication and zero trust access security

APPROVED
A

Avast

FREEMIUM

Free antivirus software with comprehensive protection features

APPROVED
E

ESET

PAID

Lightweight antivirus with minimal system impact

APPROVED
K

Kaspersky

PAID

Security software with advanced threat detection technology

APPROVED
K

Keycloak

FREEMIUM

Secure authentication and access control made simple

APPROVED
O

Ory

FREEMIUM

Identity, secured and scaled for the modern web.

ADEQUATE
Z

Zitadel

FREEMIUM

Secure, customizable identity infrastructure for developers

ADEQUATE
S

SuperTokens

FREEMIUM

Secure, customizable authentication for your applications

ADEQUATE
A

Authentik

FREEMIUM

Take control of your identity with a secure, flexible solution

ADEQUATE
L

Logto

FREEMIUM

Secure, seamless authentication for modern applications

ADEQUATE
A

Authgear

FREEMIUM

Secure identity management and authentication for modern apps

ADEQUATE
H

Hanko

FREEMIUM

Secure, passwordless authentication for modern web apps

ADEQUATE
B

Better Auth

FREEMIUM

Framework-agnostic authentication for TypeScript applications

ADEQUATE
T

Tesseral

FREEMIUM

Enterprise-ready B2B auth and user management in minutes

ADEQUATE