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swap_horiz Keycloak Alternatives

Looking for alternatives to Keycloak? Compare the top Stack options ranked by our AI scoring system.

You're looking at alternatives to:
Keycloak

Keycloak

Keycloak is an open-source identity and access management (IAM) software solution maintained by Red Hat. It provides developers and system administrators with tools to secure applications and services without building authentication mechanisms from scratch. The platform supports standard protocols s...

8.2 Great

apps Top Keycloak Alternatives

The top alternative to Keycloak in 2026 is Terraform with a score of 9.3/10, followed by Kubernetes (9.2) and Grafana (9.0).

1
Terraform

Terraform

Terraform is a cloud infrastructure automation tool. It allows users to define and manage computing resources across mul...

Cloud Multi Cloud DEVOPS Infrastructure As Code
9.3 Excellent
2
Kubernetes

Kubernetes

Kubernetes is an open source platform for automating deployment, scaling, and management of containerized applications....

Open Source Cloud Native Container Orchestration DEVOPS
9.2 Excellent
3
Grafana

Grafana

Grafana is a versatile open source platform designed for data visualization and monitoring. It allows users to create dy...

Monitoring Visualization Open Source Observability
9.0 Excellent
4
FastAPI Stack

FastAPI Stack

FastAPI is an open source Python framework created by Sebastián Ramírez for building web APIs. Released in 2018, it is b...

API Async Python Web
8.8 Great
5
BigQuery

BigQuery

BigQuery is a fully managed, serverless cloud data warehouse offered by Google. It allows users to execute complex SQL q...

Data Google Analytics SQL
8.7 Great
6
Auth0

Auth0

Auth0 is a cloud-based identity and access management platform founded in 2013 by Eugenio Pace and Matias Woloski. The s...

Enterprise SAAS Auth Identity
8.6 Great
7
gRPC Stack

gRPC Stack

gRPC is an open-source remote procedure call framework developed at Google and publicly released in 2015. It commonly us...

Google API Rpc Protobuf
8.6 Great
8
Clerk

Clerk

Clerk is a software-as-a-service platform designed to handle user authentication and identity management for web applica...

SAAS React Auth Identity
8.3 Great
9
Plausible Analytics

Plausible Analytics

Plausible Analytics is an open-source web analytics platform designed to track website traffic without utilizing cookies...

Privacy Analytics Open Source Self Hosted
8.2 Great
10
Keycloak Stack

Keycloak Stack

Keycloak is an open-source identity and access-management system sponsored by Red Hat and designed for applications and...

Enterprise Open Source Sso Auth
8.2 Great
11
Meilisearch

Meilisearch

Meilisearch is an open-source search engine designed to provide fast, typo-tolerant full-text search for websites, appli...

Fast Open Source Self Hosted Rust
8.1 Great
12
NextAuth.js

NextAuth.js

NextAuth.js is an open-source authentication library designed specifically for use with Next.js applications. Created in...

Open Source Typescript Auth Nextjs
8.0 Great
13
Auth0 Stack

Auth0 Stack

Auth0 is a cloud-based identity and access management platform founded in 2013 by Eugenio Pace and Matias Woloski and ac...

SAAS Auth Identity Oauth
8.0 Great
14
PocketBase

PocketBase

PocketBase is an open-source backend solution written in Go that provides a real-time database, authentication, and file...

Open Source Self Hosted Sqlite Go
7.8 Good
15
Typesense

Typesense

Typesense is an open-source search engine designed for fast, typo-tolerant text search across websites and applications....

Cloud Fast Open Source Self Hosted
7.8 Good
16
Umami Analytics

Umami Analytics

Umami Analytics is an open-source web analytics platform designed as a privacy-focused alternative to Google Analytics....

Lightweight Privacy Analytics Open Source
7.8 Good
17
Appwrite

Appwrite

Appwrite is an open-source backend-as-a-service platform initially created by Eldad Fux. It provides developers with a s...

Mobile Open Source Self Hosted Baas
7.5 Good
18
Lucia (Auth)

Lucia (Auth)

Lucia is an open-source authentication library and toolkit for TypeScript web applications. It focuses on session-based...

Open Source Self Hosted Typescript Auth
7.0 Good
19
Better Auth

Better Auth

Better Auth is an open-source authentication framework for TypeScript applications. It provides reusable server and clie...

Modern Open Source Typescript Auth
6.8 Fair
20
Soketi

Soketi

Soketi is an open-source WebSocket server that implements the Pusher-compatible protocol used by many real-time web appl...

Open Source Self Hosted Realtime Websockets
6.5 Fair

summarize Quick Comparison Summary

Alternative Score vs Keycloak Action
Terraform
Terraform
Stack Cloud Multi Cloud DEVOPS
9.3 Excellent +1.1 Compare
Kubernetes
Kubernetes
Stack Open Source Cloud Native Container Orchestration
9.2 Excellent +1.0 Compare
Grafana
Grafana
Stack Monitoring Visualization Open Source
9.0 Excellent +0.8 Compare
FastAPI Stack
FastAPI Stack
Stack API Async Python
8.8 Great +0.6 Compare
BigQuery
BigQuery
Stack Data Google Analytics
8.7 Great +0.5 Compare
Auth0
Auth0
Stack Enterprise SAAS Auth
8.6 Great +0.4 Compare
gRPC Stack
gRPC Stack
Stack Google API Rpc
8.6 Great +0.4 Compare
Clerk
Clerk
Stack SAAS React Auth
8.3 Great +0.1 Compare
Plausible Analytics
Plausible Analytics
Stack Privacy Analytics Open Source
8.2 Great Same Compare
Keycloak Stack
Keycloak Stack
Stack Enterprise Open Source Sso
8.2 Great Same Compare

See all Stack ranked by score

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help Frequently Asked Questions

What are the best alternatives to Keycloak?
The top alternatives to Keycloak in 2026 include Terraform, Kubernetes, Grafana, FastAPI Stack, BigQuery. Each offers unique features and is objectively scored on Lunoo to help you compare.
How does Keycloak compare to its competitors?
Our AI-powered comparison system analyzes features, pricing, user reviews, and expert opinions to provide objective scores. Keycloak scores 8.2/10. Click any alternative above to see a detailed side-by-side comparison.
Is Keycloak worth it in 2026?
Keycloak scores 8.2/10 on Lunoo, making it a highly-rated option in the Stack category. However, alternatives like Terraform may better suit specific needs.
What is the best free alternative to Keycloak?
Several alternatives to Keycloak offer free plans or free tiers. Check the alternatives listed above and visit their websites to compare pricing and free options.
Why should I switch from Keycloak?
Common reasons users look for Keycloak alternatives include pricing, specific feature gaps, better integration needs, or simply exploring newer options. Our objective scoring helps you compare without bias.
How many alternatives to Keycloak are there?
Lunoo currently lists 20 scored alternatives to Keycloak in the Stack category, ranked by our AI-powered evaluation system.
Which Keycloak alternative has the highest rating?
Terraform currently holds the highest rating among Keycloak alternatives with a score of 9.3/10.
Can I use Terraform instead of Keycloak?
Terraform is one of the top-rated alternatives to Keycloak. While they serve similar purposes in the Stack space, each has distinct strengths. Use our comparison tool above for a detailed side-by-side analysis.
What is the cheapest alternative to Keycloak?
Pricing varies among Keycloak alternatives. We recommend checking each alternative's website for current pricing. Many options in the Stack category offer free tiers or competitive pricing.
How are Keycloak alternatives ranked on Lunoo?
Lunoo uses an AI-powered scoring system that analyzes category fit, feature coverage, pricing signals, public reception, recency, and value to provide 0 to 10 scores. Rankings are updated continuously.
Keycloak vs Terraform: which is better?
Keycloak scores 8.2/10 while Terraform scores 9.3/10 on Lunoo. The best choice depends on your specific needs. Use our detailed comparison tool for a full breakdown.
Keycloak vs Kubernetes: which is better?
Keycloak scores 8.2/10 while Kubernetes scores 9.2/10 on Lunoo. The best choice depends on your specific needs. Use our detailed comparison tool for a full breakdown.
Keycloak vs Grafana: which is better?
Keycloak scores 8.2/10 while Grafana scores 9.0/10 on Lunoo. The best choice depends on your specific needs. Use our detailed comparison tool for a full breakdown.

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