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FreeRADIUS

We authenticate the Internet. Fast, feature-rich, modular, and scalable.

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FreeRADIUS is the most widely deployed open-source RADIUS server. It authenticates users for Internet access, enterprise VPNs, and Wi-Fi networks (including eduroam). The project provides a server, client libraries, and modules for integration with directories, databases, and authentication protocols.

12 alternatives to FreeRADIUS

Ranked by how well each tool replaces FreeRADIUS: shared features, audience, price and popularity.

  1. IronWiFi

    Cloud RADIUS for secure network access, replacing on-prem NPS and Cisco ISE

    Covers 0 of 15 key features.

    59 out of 100 match$6.50/mo

  2. LoginRadius

    Secure identity and access management platform

    Covers 2 of 15 key features.

    58 out of 100 matchContact sales

  3. RSA Security

    Identity intelligence, authentication, access, and governance for government, finance, and

    Covers 1 of 15 key features.

    Free plan
    57 out of 100 matchContact sales

  4. OpenLDAP

    Open source LDAP software and information.

    Covers 3 of 15 key features.

    Free planOpen source
    56 out of 100 matchFree

  5. Rublon

    Multi-factor authentication for cloud apps, VPNs, and servers

    Covers 3 of 15 key features.

    Free plan
    55 out of 100 matchContact sales

  6. Cisco Duo

    Security-first IAM with phishing-resistant MFA.

    Covers 1 of 15 key features.

    Free plan
    55 out of 100 match$3/mo

  7. privacyIDEA

    flexible, Open Source Multi Factor Authentication (2FA)

    Covers 3 of 15 key features.

    Free planOpen source
    55 out of 100 matchFree

  8. Splashtop

    Secure remote access, remote support, and endpoint management software

    Covers 1 of 15 key features.

    54 out of 100 match$0.50/mo

  9. OpenID Foundation

    Trusted Identity Ecosystems

    Covers 2 of 15 key features.

    Free planOpen source
    54 out of 100 matchFree

  10. Okta

    Secure identity for employees, customers, and AI agents across workforce, customer, and ag

    Covers 1 of 15 key features.

    53 out of 100 match$6/mo

  11. Veriff

    The Enterprise Identity Verification Platform

    Covers 2 of 15 key features.

    53 out of 100 match$49/mo

  12. Virtru

    Data security platform for email, files, and collaboration.

    Covers 3 of 15 key features.

    52 out of 100 match$119/mo