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WSO2 Identity Server vs Keycloak Comparison

Last updated:

WSO2 Identity Server

4.3(73 reviews)

Starting at Contact for pricing

  • Large Enterprises
  • Medium Business

WSO2 Identity Server is an open source, cloud ready identity and access management server with role-based access control, enterprise single sign-on, attribute based authorization and multi-domain support. It is the indus…

Keycloak

4.3(80 reviews)

Starting at Contact for pricing

  • Medium Business
  • Small Business

Keycloak is a thin identity and access management layer (IAM) for modern applications. Keycloak is built to handle enterprise needs and offer a simple experience to developers, it protects identities with strong two-fact…

Spotsaas Analysis

WSO2 Identity ServerKeycloak

The core difference lies in WSO2 Identity Server's focus on comprehensive federated identity management for mid-sized enterprises, while Keycloak emphasizes developer flexibility and open-source solutions for strong security needs. WSO2 is ideal for organizations prioritizing security features and multi-domain login, whereas Keycloak suits teams with technical expertise looking for customizable identity and access management.

- Best for mid-sized enterprises with 50-5,000 employees - Focuses on scalable federated identity management - Ideal for industries like Fintech, SaaS, and Healthcare - Offers comprehensive security features including multi-factor authentication - Targets IT Administrators and Security Officers - Suitable for organizations needing robust multi-domain login

- Open-source IAM solution for 50-5,000 employees - Emphasizes developer flexibility and customization - Ideal for sectors like SaaS, Fintech, and Consulting - Provides strong security features with fine-grained access control - Targets IT Administrators and DevOps Professionals - Best for teams comfortable with medium-complexity setups

WSO2 Identity Server vs Keycloak — at a glance

FeatureWSO2 Identity ServerKeycloak
Rating4.3 / 54.3 / 5
Reviews7380
Starting priceContact for pricingContact for pricing
Free trial No No
Free version No No
Best forLarge Enterprises, Medium Business, Small BusinessMedium Business, Small Business
CategoryIdentity and Access Management (IAM) SoftwareIdentity and Access Management (IAM) Software
PlatformsSaaS/Web/Cloud, Installed - Windows, Installed - MacSaaS/Web/Cloud
APIAvailableAvailable
Support modes24/7 (Live rep), OnlineOnline
CertificationsGDPRGDPR
Data residencyGlobalGlobal

Key differences between WSO2 Identity Server and Keycloak

  • Target audience: WSO2 Identity Server is built for Large Enterprises and Medium Business, while Keycloak targets Medium Business and Small Business.
  • Deployment: WSO2 Identity Server supports SaaS/Web/Cloud, Installed - Windows, Installed - Mac; Keycloak supports SaaS/Web/Cloud.

WSO2 Identity Server vs Keycloak — find the better fit before you commit.

01

Which tool fits your team best

02

Which is actually cheaper for your team size

03

Where each product wins, per real buyers

Most Identity and Access Management (IAM) Software tools look identical on paper. This comparison cuts to the differences that matter — pricing structure, team fit, and what real buyers found after signing up.

WSO2 Identity Server - Identity and Access Management (IAM) Software
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Keycloak - Identity and Access Management (IAM) Software
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Biggest differences

Start here before you go deeper into features.

WSO2 Identity Server

Best for scalable, secure federated identity management in mid-sized enterprises.

Choose if
  • You need robust federated login across multiple corporate and third-party domains.
  • Your organization requires comprehensive security features like multi-factor authentication and single sign-on.
  • You want an open source, cost-effective IAM solution with flexible, configurable workflows.
Consider alternatives if
  • You are a very small business with minimal identity management needs.
  • You prefer turnkey IAM solutions with simple, out-of-the-box setup and transparent fixed pricing.

Keycloak

Open-source IAM ideal for enterprises needing strong security and developer flexibility.

Choose if
  • You need robust multi-factor authentication and fine-grained access control.
  • Your team includes developers and IT admins comfortable with medium-complexity setup.
  • You want a flexible, configurable IAM solution tailored for modern applications.
Consider alternatives if
  • Your organization requires turnkey solutions with comprehensive commercial support and SLAs.
  • You are a very small business with minimal identity management needs.

WSO2 Identity Server: Best for scalable, secure federated identity management in mid-sized enterprises. Keycloak: Open-source IAM ideal for enterprises needing strong security and developer flexibility.

Description

WSO2 Identity Server is an open source, cloud ready identity and access management server with role-based access control, enterprise single sign-on, attribute based authorization and ... Read More about WSO2 Identity Server

Keycloak is a thin identity and access management layer (IAM) for modern applications. Keycloak is built to handle enterprise needs and offer a simple experience to developers, it protects ... Read More about Keycloak

Free Trial Availability

  • No free trial
  • No free trial

SpotScore

What's this? ↗

8.6/10

8.7/10

User Ratings

Based on verified Spotsaas reviews

4.3

(73)

4.3

(80)

Best Company Size

50-500 employees501-5,000 employees
50 to 500 employees501 to 5,000 employees
Get pricing help
Get pricing help

Where each option fits best

See where each product is strongest, which teams it fits, and what causes buyers to keep looking — before you commit.

Based on buyer reviews and verified product data collected by Spotsaas.

Strengths

Key strengths

WSO2 Identity Server

  • User Management: WSO2 Identity Server allows organizations to easily manage user identities and access across various applications, maintaining control and improving security without compromising user experience.
  • Security Features: WSO2 Identity Server uses advanced authentication mechanisms, including multi-factor authentication (MFA) and single sign-on (SSO), to protect sensitive data while simplifying user access.
  • Scalable Architecture: WSO2 Identity Server grows with your business. Its scalable architecture handles increased user loads without compromising performance, so your identity management solution keeps pace with your organization.

Keycloak

  • Simplified Identity Management: Keycloak simplifies user authentication and authorization processes, letting your team focus on core business objectives without managing complex identity systems.
  • Single Sign-On (SSO) Convenience: With Keycloak's SSO capabilities, your users can access multiple applications with a single set of credentials. This improves user satisfaction and reduces password fatigue.
  • Reliable Security Features: Keycloak offers multi-factor authentication and fine-grained access control to protect sensitive data and help you meet industry standards.
Best fit

Best fit

WSO2 Identity Server

  • 50-5,000 employees.
  • Industries include Fintech, SaaS, E-commerce, Healthcare, and Telecommunications.
  • Typical users are IT Administrators, Security Officers, Compliance Managers, and Software Developers.

Keycloak

  • 50 to 5,000 employees
  • SaaS, Fintech, Healthcare, E-commerce, and Consulting
  • IT Administrators, Software Developers, Security Engineers, and DevOps Professionals
Watchouts

Reasons buyers look elsewhere

WSO2 Identity Server

  • Users may seek alternatives if they require a more user-friendly interface, as WSO2 Identity Server can be complex for teams without extensive technical expertise, leading to longer onboarding and implementation times.
  • Organizations with specific compliance or regulatory needs might explore other solutions that offer tailored features or certifications that align more closely with their industry requirements.
  • Some users may find performance limitations with WSO2 Identity Server under high-load scenarios, prompting them to consider options that provide better scalability and faster response times for large user bases.

Keycloak

  • Users may seek alternatives to Keycloak due to its complexity in setup and configuration, particularly for smaller teams or projects that require a more straightforward identity management solution.
  • Some organizations might prefer alternatives that offer better integration with specific cloud services or platforms, especially if they are heavily invested in a particular ecosystem.
  • Performance concerns could lead users to explore other options, particularly if they experience scalability issues or latency with Keycloak in high-demand environments.

Software Demo

Demo

No software demo available

Keycloak has not given any software demo yet

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How do WSO2 Identity Server and Keycloak Compare on Features?

Total Features

10 Features

9 Features

Unique Features

No unique features

No unique features

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Get Quote

Compare WSO2 Identity Server and Keycloak on pricing

Review starting price, plan structure, and free-trial access side by side so you can see which option fits your budget and buying process.

Pricing Option

      Pricing Plans

      • Not Available
      • Not Available

      Other Details

      Organization Types supported

      • Freelancers
      • Large Enterprises
      • Medium Business
      • Small Business
      • Individuals
      • Freelancers
      • Large Enterprises
      • Medium Business
      • Small Business
      • Individuals

      Platforms Supported

      • Browser Based (Cloud)
      • Mobile - Android
      • Mobile - iOS
      • Installed - Windows
      • Installed - Mac
      • Browser Based (Cloud)
      • Browser Based (Cloud)
      • Mobile - Android
      • Mobile - iOS
      • Installed - Windows
      • Installed - Mac
      • Browser Based (Cloud)

      Modes of support

      • 24/7 (Live rep)
      • Business Hours
      • Online
      • 24/7 (Live rep)
      • Business Hours
      • Online

      API Support

      • Available
      • Available
      Get help choosing
      Get help choosing

      Security & Compliance

      Certifications, data handling, and security controls for IT and compliance evaluators.

      GDPR

      ✓ Yes
      ✓ Yes

      Single Sign-On (SSO)

      ✓ Yes
      ✓ Yes

      Multi-Factor Auth (MFA)

      ✓ Yes
      ✓ Yes

      Data Encryption

      ✓ Yes
      ✓ Yes

      Audit Logs

      ✓ Yes
      ✓ Yes

      Data Residency

      🌐 Global
      🌐 Global

      WSO2 Identity Server User Reviews & Rating Comparison

      User Ratings

      Rating Distribution

      3

      5

      0

      0

      0

      10

      8

      0

      0

      0

      Spotsaas Editor’s POV generated by AI

      Buyer sentiment

      Overall positive sentiment highlights strong security features and scalability, with some concerns about pricing transparency and setup complexity.

      What buyers like

      • Security robustness
      • Scalability
      • Federated login capabilities

      Common complaints

      • Pricing opacity
      • Complex setup

      Buyer sentiment

      Users generally appreciate Keycloak's strong security features and flexible identity management, though some find setup and support challenging.

      What buyers like

      • Security and access control
      • Single sign-on convenience
      • Flexibility and configurability

      Common complaints

      • Complex setup process
      • Limited commercial support

      Pros and Cons

      • Robust support for federated login across multiple domains

      • Comprehensive security features including multi-factor authentication and single sign-on

      • Scalable architecture that supports growing user bases without performance loss

      • Pricing is quotation-based and not publicly transparent

      • Requires technical expertise to configure and maintain

      • Streamlined identity management simplifying authentication and authorization

      • Single Sign-On (SSO) capabilities improving user experience across applications

      • Robust security features including multi-factor authentication and fine-grained access control

      • Requires technical expertise for setup and customization

      • Lack of publicly available pricing may complicate budgeting

      Positive Reviews

      No reviews available for the product

      No reviews available for the product

      Used WSO2 Identity Server or Keycloak? Tell buyers what actually differs.

      List of Customers

      Customers

      StubHub

      StubHub

      HCA

      HCA

      West

      West

      No Customers information available.

      Media and Screenshots

      Screenshots

      IS Analytics

      1 Screenshots

      Admin Console

      6 Screenshots

      Videos

      video-0

      2 Videos

      No videos available.

      Top Alternatives to WSO2 Identity Server and Keycloak in 2026

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      Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].

      Frequently asked questions

      Which is better, WSO2 Identity Server or Keycloak?
      WSO2 Identity Server and Keycloak are closely matched with equal user ratings of 4.3. The right choice depends on your team size, budget, and specific Identity and Access Management (IAM) Software needs.
      Do WSO2 Identity Server and Keycloak offer a free trial?
      Neither WSO2 Identity Server nor Keycloak currently lists a free trial.
      What is the starting price of WSO2 Identity Server vs Keycloak?
      WSO2 Identity Server starts at Contact for pricing. Keycloak starts at Contact for pricing.
      What are the top alternatives to WSO2 Identity Server?
      Top alternatives to WSO2 Identity Server include SailPoint IdentityIQ, ForgeRock Identity Platform, AWS IAM, Keycloak, Ping Identity.
      What are the top alternatives to Keycloak?
      Top alternatives to Keycloak include Okta, Oracle Identity Management, Cognito, SailPoint IdentityIQ, AWS IAM.