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OpenSourceAlternatives

Tag

oidc

8 catalogue entries use this topic; each Project's license policy is labeled separately.

Better Auth

Better AuthOpen

TypeScript auth library that runs inside your app

Stars30.2K
Commitjust now
LicenseMIT

Better Auth is a TypeScript authentication library that runs inside your own application instead of as an external service. User rows live in your own database behind Drizzle, Prisma, or Kysely adapters, so there is no monthly-active-user meter and no third-party service in the request path.

Alternative toAuth0
Authentik

AuthentikOpen

Self-hosted open-source identity provider for modern SSO

Stars25.8K
Commitjust now
LicenseMIT

Authentik is a self-hosted, open-source identity provider that adds single sign-on to web apps and services over SAML, OAuth2/OIDC, LDAP, and RADIUS.

Alternative toOktaAuth0
Logto

LogtoOpen

Open-source identity platform with auth, SSO, and multi-tenancy

Stars14.7K
Commitjust now
LicenseMPL-2.0

Logto is an open-source identity platform for sign-in, single sign-on, and organization management, available self-hosted or as Logto Cloud.

Ory

OryOpen

Open-source identity platform for login, SSO, and permissions

Stars13.9K
Commit1mo ago
LicenseApache-2.0

Ory is an open-source identity platform built around the Kratos server, offering passkeys, social sign-in, and single sign-on self-hosted or as the managed Ory Network.

Hexclave

Hexclave

Open-source user infrastructure for auth, payments, emails, and analytics

Stars6,861
Commitjust now
LicenseMIT / AGPL-3.0

Hexclave is an open-source user-infrastructure platform for authentication, teams, payments, emails, and analytics, available as managed cloud or free self-hosting.

Defguard

Defguard

Self-hosted WireGuard VPN with per-connection MFA and built-in SSO

Stars2,857
Commitjust now
LicenseAGPL-3.0-only

Defguard is a self-hosted access platform that combines WireGuard VPN, identity management, and per-connection multi-factor authentication.

Alternative toAuthentikAuthgear
Authgear

AuthgearOpen

Open source auth with SSO, passkeys, and user management

Stars2,091
Commitjust now
LicenseApache-2.0

Authgear is an open source identity platform with login flows, single sign-on, multi-factor authentication, and user management for web and mobile apps.

Alternative toOktaAuth0
Alarik

AlarikOpen

Self-hosted S3-compatible object storage built in Swift

Stars555
Commitjust now
LicenseApache-2.0

Alarik is a self-hosted object store that speaks the S3 protocol for buckets and objects, with multipart uploads, versioning, and presigned URLs.

Alternative toSupabase