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Keycloak Alternatives
Similar projects and alternatives to Keycloak
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ASP.NET Core
ASP.NET Core is a cross-platform .NET framework for building modern cloud-based web applications on Windows, Mac, or Linux.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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logto
🧑‍🚀 Authentication and authorization infrastructure for SaaS and AI apps, built on OIDC and OAuth 2.1 with multi-tenancy, SSO, and RBAC.
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oauth2-proxy
A reverse proxy that provides authentication with Google, Azure, OpenID Connect and many more identity providers.
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Ory Kratos
Headless cloud-native authentication and identity management written in Go. Scales to a billion+ users. Replace Homegrown, Auth0, Okta, Firebase with better UX and DX. Passkeys, Social Sign In, OIDC, Magic Link, Multi-Factor Auth, SMS, SAML, TOTP, and more. Runs everywhere, runs best on Ory Network. (by ory)
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Ory Hydra
Internet-scale OpenID Certified™ OpenID Connect and OAuth2.1 provider that integrates with your user management through headless APIs. Solve OIDC/OAuth2 user cases over night. Consume as a service on Ory Network or self-host. Trusted by OpenAI and many others for scale and security. Written in Go.
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Ory Keto
The most scalable and customizable permission server on the market. Fix your slow or broken permission system with Google's proven "Zanzibar" approach. Supports ACL, RBAC, and more. Written in Go, cloud native, headless, API-first. Available as a service on Ory Network and for self-hosters.
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staticrypt
Password protect a static HTML page, decrypted in-browser in JS with no dependency. No server logic needed.
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NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a better Keycloak alternative or higher similarity.
Keycloak discussion
Keycloak reviews and mentions
Posts with mentions or reviews of Keycloak.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2026-07-11.
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Keycloak lets you pick a login option that's guaranteed to fail — here's the fix
Project: keycloak/keycloak — the identity and access management server. PR: #51021, fixing #46481.
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How to clone a Keycloak realm on the same instance (fixing "duplicate key value violates unique constraint")
This is a known limitation, tracked upstream as keycloak/keycloak#24770. Keycloak's exporter was never designed to produce an import-anywhere-including-here artifact — it assumes you're moving the realm to a different instance (dev → staging → prod), where the UUID space is independent.
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Keycloak VS clavex - a user suggested alternative
2 projects | 4 Jul 2026
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clavex VS Keycloak - a user suggested alternative
2 projects | 4 Jul 2026
Repo URL: https://github.com/keycloak/keycloak Comment: The most established self-hosted open-source IAM, but lacks native support for EU identity standards (SPID, CIE, eIDAS 2.0) and FAPI 2.0 — Clavex was built specifically to fill that gap.
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Getting started with OAuth in your Web Apps
Explaining Keycloak itself is not in the scope for this article, but if you would like to read more you can find the docs here.
- Cloudflare launched self-managed OAuth for all
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Secure Your Frontend Application (SPA) Login with OAuth 2.1 PKCE
If your frontend application (SPA) is using Keycloak, Laravel Passport, or any OAuth-based solution—and you have not yet implemented the PKCE flow for login—you should do it as soon as possible. This is essential to make your application more secure against attackers.
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IAM Development Lab in Keycloak
To demonstrate SSO, I registered a client in the acme realm pointing to the official Keycloak demo app hosted at https://www.keycloak.org/app/. Since it's a static page that runs entirely in the browser, it talks directly to my local Keycloak instance - no server-side component needed.
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Deploying Keycloak on Kubernetes Using Helm Charts and Operators
apiVersion: keycloak.org/v2alpha1 kind: Keycloak metadata: name: example-keycloak spec: instances: 1 extensions: - https://github.com/keycloak/keycloak/releases/download/21.1.1/keycloak-x-21.1.1-runner.jar externalAccess: enabled: true strategy: LoadBalancer
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Securing MCP Servers: A Practical Guide with Keycloak (using create-mcp-server)
A note on production deployments: The Keycloak configuration in this guide is designed for demonstration purposes. A production setup requires additional hardening: HTTPS everywhere, stricter redirect URI validation, token lifetime tuning, proper realm and client policies, and more. For production-grade configuration, refer to the official Keycloak documentation.
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A note from our sponsor - SaaSHub
www.saashub.com | 21 Jul 2026
Stats
Basic Keycloak repo stats
287
35,722
10.0
4 days ago
keycloak/keycloak is an open source project licensed under Apache License 2.0 which is an OSI approved license.
Keycloak is marked as "self-hosted". This means that it can be used as a standalone application on its own.
The primary programming language of Keycloak is Java.
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