Browse Open Source Alternatives

Authentik

Unknown

authentik is an open-source identity provider that offers self-hosted authentication, authorization, and user management for businesses of all sizes.

Authgear

Apache-2.0

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

Better Auth

MIT

A comprehensive authentication framework offering email/password, social sign-on, two-factor auth, and multi-tenant support with full TypeScript integration.

Cerbos

Apache-2.0

A scalable authorization layer that provides fine-grained access control through externalized policies, enabling secure and flexible permissions management.

HashiCorp Vault

Unknown

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

JumpServer

GPL-3.0

Open-source privileged access management solution offering secure, browser-based access to SSH, RDP, Kubernetes, databases and remote applications.

Keycloak

Apache-2.0

Comprehensive open source identity management solution offering single sign-on, social login, and fine-grained authorization for applications and services.

Logto

MPL-2.0

An open-source identity solution offering customizable login experiences, multi-tenant support, and comprehensive user management.

Ory

Apache-2.0

Ory is a certified and battle-tested identity solution backed by a large open source community and trusted by Fortune 500 companies.

Permify

AGPL-3.0

Open-source authorization service for implementing fine-grained access controls. Centralized, scalable solution supporting RBAC, ABAC and ReBAC with Google Zanzibar-inspired architecture.

Stack Auth

Unknown

Stack Auth provides secure authentication, authorization, and user management for developers in just 5 minutes.

SuperTokens

Unknown

Open-source authentication solution offering flexible, self-hosted user management with advanced features and easy integration.

Tesseral

MIT

Complete B2B authentication solution with SSO, role management, API security, and pre-built UI components. Ship enterprise-grade auth in just a few lines of code.

Werbot

Unknown

Centralized platform for managing SSH access, enhancing security, and streamlining server administration for DevOps teams.

Zitadel

AGPL-3.0

ZITADEL provides a comprehensive identity management solution with easy APIs, customizable workflows, and serverless deployment options.

Infisical

Unknown

End-to-end encrypted secret management platform for seamless integration and enhanced security in development workflows.

Phase

Unknown

Open source platform for engineering teams to manage secrets and environment variables from development to production, with powerful integrations.

Tirreno

AGPL-3.0

Open-source security framework for threat detection, fraud prevention, and abuse monitoring. Self-hosted solution with built-in dashboard and risk scoring.

Signal

AGPL-3.0

Secure messaging app with state-of-the-art encryption, voice/video calls, group chats, and file sharing. No ads, trackers, or data collection.

Abby

AGPL-3.0

Abby offers open-source, fully typed feature flagging and remote configuration for React and Next.js, with multi-environment testing and debugging tools.

ALTCHA

MIT

ALTCHA offers cutting-edge spam and abuse protection for websites and apps, with privacy-friendly CAPTCHA alternatives designed for GDPR compliance.

BleachBit

GPL-3.0

BleachBit frees disk space & protects privacy by deleting cache, cookies, history & temp files from Firefox, Chrome & more. Open source for Linux/Windows.

Cap

Unknown

Lightweight open-source CAPTCHA solution using SHA-256 proof-of-work. 250x smaller than hCaptcha, fully customizable, and privacy-focused with zero telemetry.

Featurevisor

MIT

Featurevisor is an open-source tool for managing feature flags, experiments, and remote configuration directly from your Git repository.