Self-hosted OAuth apps

Supabase

Self-Hosting Platforms (PaaS)

Open-source Firebase alternative

Replaces Firebase

Appwrite

Self-Hosting Platforms (PaaS)

Open-source backend platform for building applications

Replaces Firebase, Supabase

LibreChat

AI Chat UIs

Enhanced ChatGPT clone supporting many AI providers

Replaces ChatGPT, Poe

Keycloak

Identity & SSO

Open-source identity and access management for modern apps

Replaces Okta, Auth0

authentik

Reverse Proxy & Gateways

Open-source identity provider with proxy outpost

Replaces Okta, Auth0

Certified OAuth 2.0 and OpenID Connect server

Replaces Okta, Auth0

Open-source user authentication you can self-host

Replaces Auth0, Firebase Auth

ZITADEL

Identity & SSO

Cloud-native identity infrastructure with multi-tenancy built

Replaces Auth0, Okta

OAuth2 Proxy

Reverse Proxy & Gateways

Reverse proxy that adds authentication to any web app

Replaces Cloudflare Access

Logto

Identity & SSO

Developer-friendly authentication and authorization platform

Replaces Auth0, Firebase Auth

UI-first identity and access management with SSO support

Replaces Auth0, Okta

Commenting system powered by GitHub Discussions

Replaces Disqus

Enterprise single sign-on server for web applications

Replaces Okta, Ping Identity

OpenID Connect identity provider with pluggable connectors

Replaces Okta, Auth0

Comments widget powered by GitHub issues

Replaces Disqus

Pocket ID

Identity & SSO

Simple OIDC provider that uses only passkeys

Replaces Auth0, Authelia

Hanko

Identity & SSO

Passkey-first authentication for modern applications

Replaces Auth0, Clerk

Simplest way to protect your apps with a login screen

Replaces Cloudflare Access

Privacy-focused lightweight commenting engine

Replaces Disqus

Kanidm

Identity & SSO

Modern, simple and secure identity management server

Replaces Active Directory, Okta

Pomerium

Reverse Proxy & Gateways

Identity-aware reverse proxy for zero-trust access

Replaces Cloudflare Access, BeyondCorp

Pingvin Share

File Sync & Storage

Self-hosted file sharing alternative to WeTransfer

Replaces WeTransfer, Firefox Send

Fider

Forums & Community

Open platform for collecting and voting on feedback

Replaces Canny, UserVoice

Certified OpenID Connect and OAuth 2.0 provider for Node.js

Replaces Auth0, Okta

Opengist

Pastebins & Snippets

Self-hosted pastebin powered by Git

Replaces GitHub Gist

SSO authentication helper for reverse proxies

Replaces Okta Access Gateway

Self-hosted SSO middleware for OAuth and OIDC

Replaces Cloudflare Access

The Rails application powering openstreetmap.org

Replaces Google Maps

Small JWT-based user authentication API service

Replaces Auth0

Minimal forward authentication service for Traefik

Replaces Cloudflare Access

SAML and OIDC SSO service bridging enterprise providers

Replaces Auth0, WorkOS

Authentication and authorization plugin for Caddy

Replaces Cloudflare Access

Authgear

Identity & SSO

Open-source authentication and user management server

Replaces Auth0, Firebase Auth

Open-source auth solution with a ready-made UI

Replaces Auth0, Firebase Authentication

Web-based configuration portal for WireGuard

Replaces OpenVPN Access Server

Open-source game server management panel for many games

Replaces AMP, Multicraft

Self-hostable Gist alternative with a clean editor

Replaces GitHub Gist

Rauthy

Identity & SSO

Lightweight OpenID Connect provider written in Rust

Replaces Keycloak, Auth0

Self-hosted bookmark manager with tags and page screenshots

Replaces Raindrop.io

PHP implementation of SAML and identity federation

Replaces Okta, PingFederate

Many Notes

Notes & Knowledge Base

Markdown note-taking web app designed for simplicity

Replaces Obsidian, Notion

Open-source identity and access management server

Replaces Okta, ForgeRock

Cloud-native identity and access management platform

Replaces Okta, Auth0

Self-hosted multi-room chat with markdown and code blocks

Replaces Discord, Slack

Pastefy

Pastebins & Snippets

Modern pastebin with folders, encryption, and an API

Replaces Pastebin.com, GitHub Gist

Open-source go-links for company shortcuts

Replaces Golinks, GoLinks.io

OAuth 2.0 and OpenID Connect provider for Matrix homeservers

FusionAuth

Identity & SSO

Complete authentication and authorization platform

Replaces Auth0, Okta

Identity management and SSO portal for Kubernetes

Replaces Okta

Customizable login UI for the ZITADEL identity platform

Replaces Auth0 Universal Login

Web single sign-on and access management system

Replaces Okta, PingFederate

Identity provider for federated single sign-on

Replaces Okta, PingFederate

Open-source authentication broker for passwordless login

Replaces Auth0, Firebase Auth