Secure your apps with robust Authentication solutions! Explore password managers, MFA, SSO & more. Protect user data and simplify login processes.
Authentication · Security
OpenID Certified SSO & MFA portal for reverse proxies
Authentication · Ecommerce · Security
Self-hosted SSO identity provider with SAML, OAuth2, OIDC, LDAP, and RADIUS support
Authentication
Self-hosted Auth0 alternative with Passkeys, MFA, and SSO for SaaS and mobile apps
Authentication · Security
Secure your self-hosted apps with built-in authentication, reverse proxy, and anti-DDOS protection.
Authentication · Security
The only WireGuard solution with built-in MFA, SSO, and real-time client sync
Authentication · Security
Zero-trust VPN built on WireGuard® — 3x faster than OpenVPN, peer-to-peer, and self-hostable.
Authentication · Security
Modern, privacy-focused authentication built for developers
Authentication
Modern, open-source auth alternative to Auth0, Cognito, and Firebase
Authentication · Databases · Invoicing Finance
Self-hosted personal finance manager with Rails, Turbo, and PostgreSQL
Authentication · Automation · Developer Tools
Integrate with 600+ APIs in minutes, not months.
Authentication
API-first identity management for cloud-native apps—scale to billions of users.
Authentication · Devops · Security
Secure, self-hostable secrets management with CLI, SDKs, and Kubernetes integration
Authentication · Databases · Ecommerce
Full-featured backend in one file: auth, DB, API, and admin UI — all in Go.
Authentication · Security
Privacy-focused, self-hosted CAPTCHA alternative to reCAPTCHA and hCaptcha
Authentication · Devops
Build serverless apps on Kubernetes with instant APIs and real-time data
Authentication · Developer Tools
Open-source Auth0/Clerk alternative with built-in RBAC, multi-tenancy, and passkeys
Authentication · Databases · Developer Tools
PostgreSQL-based Firebase alternative with real-time APIs, auth, and AI vector support
Authentication · Security
Open-source alternative to Auth0, Firebase Auth, and AWS Cognito
Authentication · Password Manager · Security
Self-hosted Bitwarden server with full API compatibility and low resource usage
Authentication · Security
Self-hosted SSO for your private apps with passkeys, OIDC, and admin controls
Authentication
Simplified identity management with multi-tenancy and enterprise-grade auth
Authentication is the cornerstone of modern application security. It’s the process of confirming that a user is who they say they are before granting access to resources. Without robust authentication, applications are vulnerable to unauthorized access, data breaches, and a host of other security risks. This category encompasses a wide range of solutions designed to manage user identities, enforce access controls, and protect sensitive information. Crucially, it’s often paired with authorization (determining what a user can access) for complete security.
Types of apps within the Authentication category include password managers, multi-factor authentication (MFA) providers, social login services (allowing users to sign in with Google or Facebook accounts), passwordless authentication solutions (using biometrics, magic links, or WebAuthn), and comprehensive Identity Access Management (IAM) platforms. Single Sign-On (SSO) solutions also fall under this umbrella, streamlining user access across multiple applications.
Authentication matters because it directly impacts the security and usability of your applications. Common use cases include protecting user accounts in web and mobile apps, securing API access, verifying employee identities for internal systems (enterprise authentication), and complying with data privacy regulations (like GDPR or HIPAA). Implementing strong authentication protocols reduces the risk of account takeovers, data breaches, and fraud. Beyond security, a seamless authentication experience improves user satisfaction – nobody wants to remember dozens of complex passwords! Modern authentication solutions prioritize usability through features like MFA, passwordless login, and SSO.