Best Auth0 alternatives in 2026
The best Auth0 alternatives in 2026 are Keycloak, Better Auth, Okta. Keycloak is the strongest free option. Proton Drive costs less, from $4.99/mo versus $35/mo for Auth0.
Why people look for Auth0 alternatives
- Expensive once beyond free or with enterprise connections
- Complex configuration
- UI customization takes effort
- Okta ownership slows some innovation
- Auth0 starts at $35/mo (Freemium).
Best Auth0 alternative by need
| # | Tool | Pricing | Starts at | Best for | Platforms | Votes |
|---|---|---|---|---|---|---|
| 1 | Keycloak Open-source identity and access management | Open source | $0 | Enterprise, Developers | web | 0 |
| 2 | Better Auth Framework-agnostic TypeScript authentication | Open source | $20/mo | Developers | web | 0 |
| 3 | Okta Enterprise identity platform for SSO, MFA and user lifecycle | Paid | $6/mo | Enterprise, Small businesses, Developers | web, macos, windows, ios, android | 0 |
| 4 | Cloudflare CDN, DNS, WAF and edge platform | Freemium | $5/mo | Developers, Enterprise | web | 0 |
| 5 | GitLab DevSecOps platform with Git hosting, CI/CD, security scans and AI | Freemium | $29/mo | Developers, Enterprise, Small businesses | web, linux | 0 |
| 6 | Invicti Proof-based DAST and AppSec platform for web apps and APIs | Paid | — | Enterprise, Developers | web, windows | 0 |
| 7 | Clerk Drop-in authentication and user management | Freemium | $25/mo | Developers | web | 0 |
| 8 | Snyk Developer security for code and dependencies | Freemium | $25/mo | Developers | web | 0 |
| 9 | Dynatrace AI-driven observability and app security for large cloud estates | Paid | — | Enterprise, Developers | web | 0 |
| 10 | Proton Drive End-to-end encrypted cloud storage from Swiss privacy company Proton | Freemium | $5/mo | Freelancers, Small businesses, Enterprise | web, windows, macos, ios, android | 0 |
10 Auth0 alternatives compared
- 1
Keycloak
Open-source identity and access management
Best for: Organizations needing self-hosted enterprise IAM.
- 2
Better Auth
Framework-agnostic TypeScript authentication
Best for: TypeScript developers who want complete ownership and flexibility without paying per user.
- 3
Okta
Enterprise identity platform for SSO, MFA and user lifecycle
Best for: Mid-sized and large companies with many SaaS apps that need central SSO, MFA and automated joiner, mover and leaver processes.
- 4
Cloudflare
CDN, DNS, WAF and edge platform
Best for: Anyone running a website, and developers who want edge compute and cheap storage.
- 5
GitLab
DevSecOps platform with Git hosting, CI/CD, security scans and AI
Best for: Engineering teams that want source control, CI/CD and security scanning in one platform, with a self-hosting option.
- 6
Invicti
Proof-based DAST and AppSec platform for web apps and APIs
Best for: Enterprise security teams that need accurate, automated DAST and API testing across a large web application portfolio.
PaidAuth0 vs Invicti - 7
Clerk
Drop-in authentication and user management
Best for: React and Next.js teams who want production auth with great UX immediately.
- 8
Snyk
Developer security for code and dependencies
Best for: Engineering teams that want security integrated into development.
- 9
Dynatrace
AI-driven observability and app security for large cloud estates
Best for: Large enterprises running complex hybrid or Kubernetes environments that want automatic instrumentation and AI root-cause analysis.
- 10
Proton Drive
End-to-end encrypted cloud storage from Swiss privacy company Proton
Best for: Privacy-focused individuals, families and small teams who want encrypted storage that is still easy to use.
Auth0 alternatives: FAQ
What is the best alternative to Auth0?
Based on features, audience and market presence, the strongest Auth0 alternatives are Keycloak, Better Auth, Okta. Keycloak is the closest match for most teams.
Is there a free alternative to Auth0?
Yes. Keycloak can be used for free. Other free or freemium alternatives to Auth0 include Better Auth, Cloudflare, GitLab.
What is cheaper than Auth0?
Proton Drive starts at $4.99/mo, while Auth0 starts at $35/mo. Prices are checked on each vendor's own pricing page.
Is there an open-source alternative to Auth0?
Yes. Keycloak is open source, so you can self-host it or inspect the code.