# AuthLite vs FusionAuth: side-by-side comparison (2026)

[AuthLite](https://cybersectools.com/tools/authlite) is a commercial [MFA & passwordless](https://cybersectools.com/categories/user-authentication) solution by [AuthLite](https://cybersectools.com/companies/authlite). [FusionAuth](https://cybersectools.com/tools/fusionauth-security) is a commercial [CIAM](https://cybersectools.com/categories/ciam) solution by [FusionAuth](https://cybersectools.com/companies/fusionauth). Features, integrations, deployment and the company behind each one, side by side.

Need the answer fast? [Best MFA and Passwordless Solutions for Business](https://cybersectools.com/shortlists/best-mfa-passwordless-solutions) picks Okta Adaptive MFA, Duo Security Cisco Duo Passwordless, Beyond Identity Phishing-Resistant MFA and 4 more.

## Side-by-side comparison

| | AuthLite | FusionAuth |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | MFA & Passwordless | CIAM |
| Verified | No | No |
| Deployment type | On-Premises | Hybrid |
| Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | AuthLite | FusionAuth |
| Headquarters | – | – |

### Use cases and capabilities

| | AuthLite | FusionAuth |
|---|---|---|
| MFA | Yes | Yes |
| Active Directory | Yes | – |
| Authentication | Yes | Yes |
| Windows | Yes | – |
| Windows Security | Yes | – |
| Authorization | – | Yes |
| Password Management | – | Yes |
| Data Breach | – | Yes |
| SSO | – | Yes |
| Agentic AI Security | – | Yes |

### Core features

**AuthLite**

7 features listed. Sign in on the page to see them.

**FusionAuth**

10 features listed. Sign in on the page to see them.

### Integrations

**AuthLite**

2 integrations listed. Sign in on the page to see them.

**FusionAuth**

No integrations listed.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [AuthLite](https://cybersectools.com/tools/authlite) fits if you need to run it on your own servers.
- [FusionAuth](https://cybersectools.com/tools/fusionauth-security) fits if you need both cloud and on-premises options and you are a startup.

## AuthLite vs FusionAuth FAQ

Common questions when comparing AuthLite vs FusionAuth for MFA & passwordless.

### What is the difference between AuthLite and FusionAuth?

**AuthLite**: Two-factor authentication add-on for Windows Active Directory using YubiKeys, built by AuthLite.

**FusionAuth**: AuthN, AuthZ, and identity management you can deploy anywhere and control end to end, built by FusionAuth.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes AuthLite and FusionAuth?

**AuthLite** is made by AuthLite. **FusionAuth** is made by FusionAuth. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is AuthLite a good alternative to FusionAuth?

In part. AuthLite and FusionAuth are not in the same category on CybersecTools. Both cover Authentication, MFA. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [AuthLite vs CionSystems Cion MFA](https://cybersectools.com/compare/authlite-vs-cionsystems-cion-mfa)
- [AuthLite vs Mi-Token](https://cybersectools.com/compare/authlite-vs-mi-token)
- [AuthLite vs Protectimus On-Premise MFA Platform](https://cybersectools.com/compare/authlite-vs-protectimus-on-premise-mfa-platform)
- [FusionAuth vs CionSystems Cion MFA](https://cybersectools.com/compare/cionsystems-cion-mfa-vs-fusionauth-security)
- [FusionAuth vs Mi-Token](https://cybersectools.com/compare/fusionauth-security-vs-mi-token)
- [FusionAuth vs Protectimus On-Premise MFA Platform](https://cybersectools.com/compare/fusionauth-security-vs-protectimus-on-premise-mfa-platform)

## Alternatives to each

- [See all AuthLite alternatives](https://cybersectools.com/alternatives/authlite)
- [See all FusionAuth alternatives](https://cybersectools.com/alternatives/fusionauth-security)

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Source: https://cybersectools.com/compare/authlite-vs-fusionauth-security

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/authlite.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on AuthLite and FusionAuth: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md