Best Open Source Identity & Access Management (IAM) Tools using OpenTelemetry in 2026

HashiCorp Vault

Secure, store, and control access to sensitive data

Stars
35,969
Forks
4,721
Last commit
3 hours ago

HashiCorp Vault is a powerful tool for managing secrets, protecting sensitive data, and controlling access using identity-based security.

Open Source Alternative to:

1Password

Authgear

Managed identity and access management for any app

Stars
1,908
Forks
124
Last commit
9 hours ago

Authgear is a managed IAM platform handling authentication, SSO, and user management for B2C and B2B apps, with biometrics, MFA, and zero-trust support.

Open Source Alternative to:

Clerk

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

HashiCorp Vault

Secure, store, and control access to sensitive data

Stars
35,969
Forks
4,721
Last commit
3 hours ago

HashiCorp Vault is a powerful tool for managing secrets, protecting sensitive data, and controlling access using identity-based security.

Open Source Alternative to:

1Password

Authgear

Managed identity and access management for any app

Stars
1,908
Forks
124
Last commit
9 hours ago

Authgear is a managed IAM platform handling authentication, SSO, and user management for B2C and B2B apps, with biometrics, MFA, and zero-trust support.

Open Source Alternative to:

Clerk

Open Source Identity & Access Management (IAM) Tools using OpenTelemetry

A curated collection of the best open source tools for managing user identities, authentication, and access control. using OpenTelemetry.

HashiCorp Vault

Authgear

HashiCorp Vault

Authgear