[opensourcedex]

best-of ranking · updated nightly

Best Open Source Identity & Access Management (IAM) Tools

Ranked by GitHub stars — actual adoption, not editorial taste. All 10 are free, open source and self-hostable; license and last activity on every entry.

  1. 1
    Keycloak ★ 37K

    Secure authentication and access control made simple

    Apache-2.0 Java pushed 2026-09-17 details →
  2. 2
    JumpServer ★ 32K

    Secure access management for modern IT infrastructure

    GPL-3.0 Python pushed 2026-09-17 details →
  3. 3
    Better Auth ★ 30K

    Framework-agnostic authentication for TypeScript applications

    MIT TypeScript pushed 2026-09-17 details →
  4. 4
    Authentik ★ 26K

    Take control of your identity with a secure, flexible solution

    NOASSERTION Python pushed 2026-09-17 details →
  5. 5
    SuperTokens ★ 15K

    Secure, customizable authentication for your applications

    NOASSERTION Java pushed 2026-09-14 details →
  6. 6
    Zitadel ★ 15K

    Secure, customizable identity infrastructure for developers

    AGPL-3.0 Go pushed 2026-09-17 details →
  7. 7
    Logto ★ 15K

    Secure, seamless authentication for modern applications

    MPL-2.0 TypeScript pushed 2026-09-17 details →
  8. 8
    Ory ★ 14K

    A certified and battle-tested identity solution

    Apache-2.0 Go pushed 2026-07-29 details →
  9. 9
    Hexclave ★ 6.9K

    Modular auth, payments, emails, and analytics for your product

    NOASSERTION TypeScript pushed 2026-09-17 details →
  10. 10
    Permify ★ 6.0K

    Build scalable authorization in minutes, not months

    AGPL-3.0 Go pushed 2026-09-17 details →
method stars desc · snapshot from github api refresh nightly related Network Security, Data Security & Privacy, Threat Detection & Response, Secrets Management, Application Security, Fraud Prevention

Related best-of lists

best Network Security →best Data Security & Privacy →best Threat Detection & Response →best Secrets Management →best Application Security →best Fraud Prevention →

last updated nightly · ranking method: github stars, live-tracked

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Frequently asked questions

What is the best open source Identity & Access Management (IAM) tool in 2026?

Keycloak leads the ranking with 36,832 GitHub stars, ahead of JumpServer. Rankings use live GitHub star counts, refreshed nightly.

How is this list of Identity & Access Management (IAM) tools ranked?

By GitHub stars — a proxy for adoption and community size. Each entry also shows its licence, primary language and last commit date, so you can judge maintenance activity rather than trusting the ranking alone.

Are the best Identity & Access Management (IAM) tools free?

Every project on this list is open source and free to self-host. Some also offer paid managed hosting, but the software itself carries no licence fee.