Gluu ServervsKeycloak
Unbiased side-by-side comparison of verified reviews, user ratings, features, and pros/cons to help you decide which software fits your business needs.
Quick answer: Gluu Server vs Keycloak
In our 2026 comparison of Gluu Server and Keycloak, Keycloak comes out ahead overall (weighted score 87% vs 78% for Gluu Server). Gluu Server is rated 4.5/5 from 4 user reviews; Keycloak is rated 4.4/5 from 5 user reviews. Gluu Server has a free plan; Keycloak has a free plan.
Last updated
| At a glance | Gluu Server | Keycloak |
|---|---|---|
| Category | Identity & Access Management (IAM) | Identity & Access Management (IAM) |
| User rating | 4.5/5 (4 reviews) | 4.4/5 (5 reviews) |
| Starting price | Free plan | Free plan |
| Free trial | Yes | Not listed |
| Listed features | 10 | 20 |
| Integrations | 5 | 7 |
| Platforms | Web, Linux | Linux |
| Ease of use | 4.2/5 | 4.5/5 |
| Customer support | 4.4/5 | 4.8/5 |
Gluu Server
Starting Price
Open-source edition available; enterprise support and managed services available
Community Pulse
Advanced Ratings
Pros
- Open-source platform,Strong standards compliance,Flexible deployment options,Comprehensive authentication features,Enterprise-ready architecture
- Open-source platform
- Strong standards compliance
Cons
- Complex deployment process,Requires significant technical expertise,Smaller community compared to larger IAM platforms
- Complex deployment process
- Requires significant technical expertise
Keycloak
Starting Price
Free open-source identity and access management platform
Community Pulse
Advanced Ratings
Pros
- Completely open-source,Strong standards support,Comprehensive authentication features,Large community ecosystem,Flexible deployment options
- Completely open-source
- Strong standards support
Cons
- Steep learning curve for beginners,Administration can be complex,Enterprise support requires third-party vendors
- Steep learning curve for beginners
- Administration can be complex
Product Overview
What each platform does and who it's for
Primary Category
The main classification for each product
Editorial Quality Rating
Independent expert panel ratings and quality validations
Gluu Server
Expert Score
Keycloak
Expert Score
Integration Ecosystem
Compare supported third-party apps and services
Gluu Server Integrations
Keycloak Integrations
Platform Support
Supported platforms across each product
Gluu Server
Keycloak
Sentiment & Feedback
Real-world pros and cons from verified users
Gluu Server Feedback
User sentiment analysis
- Open-source platform,Strong standards compliance,Flexible deployment options,Comprehensive authentication features,Enterprise-ready architecture
- Open-source platform
- Strong standards compliance
- Flexible deployment options
- Comprehensive authentication features
- Complex deployment process,Requires significant technical expertise,Smaller community compared to larger IAM platforms
- Complex deployment process
- Requires significant technical expertise
- Smaller community compared to larger IAM platforms
Keycloak Feedback
User sentiment analysis
- Completely open-source,Strong standards support,Comprehensive authentication features,Large community ecosystem,Flexible deployment options
- Completely open-source
- Strong standards support
- Comprehensive authentication features
- Large community ecosystem
- Steep learning curve for beginners,Administration can be complex,Enterprise support requires third-party vendors
- Steep learning curve for beginners
- Administration can be complex
- Enterprise support requires third-party vendors
Feature Comparison
Detailed side-by-side capability checklist
Gluu Server
9/24 features
- API & Webhook Integrations
- API Security
- Directory Services
- Identity Federation
- OAuth 2.0
- Social Login
- User Management
- Access control
- Advanced security
- Multi-Factor Authentication (MFA)
- Role-Based Access Control
- SAML Federation
- SAML Support
- Security
- Security controls
- Single Sign-On (SSO) & MFA
- Developer tools
- Identity Management
- Open-source
- Audit Logging & Monitoring
- OpenID Connect
- Single Sign-On
- User Federation
- Access management
Keycloak
19/24 features
- API & Webhook Integrations
- API Security
- Directory Services
- Identity Federation
- OAuth 2.0
- Social Login
- User Management
- Access control
- Advanced security
- Multi-Factor Authentication (MFA)
- Role-Based Access Control
- SAML Federation
- SAML Support
- Security
- Security controls
- Single Sign-On (SSO) & MFA
- Developer tools
- Identity Management
- Open-source
- Audit Logging & Monitoring
- OpenID Connect
- Single Sign-On
- User Federation
- Access management
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Pricing & Plans
Compare plans, features, and starting points side-by-side
Gluu Server Pricing
FREEMIUMKeycloak Pricing
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Community Intelligence
Real-time crowdsourced comparison feedback and buyer signals.
Community Matchup Voting
Real-time crowdsourced buyer signals
Community vs. Editorial Alignment
Agreement between algorithmic rating & user voting
Keycloak
Calculated by features, pricing, support & ratings.
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Head-to-Head Winner Analysis
Data-backed performance comparisons across pricing, features, usability, and support
Matchup Scoreboard
At-a-glance scorecard results
Weighted Overall Scorecard
Normalized composite performance scores
Smart Recommendation Matrix
Head-to-head decision matrix based on your business workflow
- Teams looking for native integration with core workflow tools
- Enterprises requiring SAML 2.0 SSO, SCIM provisioning, and compliance-grade audit logs
- Startups building scalable user auth without managing custom session or token infrastructure
- Teams prioritizing intuitive, zero-learning-curve UX and fast onboarding
- Teams looking for native integration with core workflow tools
- Developers wanting drop-in multi-tenant auth with MFA, social login, and pre-built UI flows
Gluu Server
Dimension scorecard
Multi-Dimension Performance
Winner Breakdown & Analysis
Gluu Server is a runner-up with a composite score of 78%.
Gluu Server has the most accessible pricing ($0/mo (Free Trial)).
Offers 10 features (fewer than the category leader).
Satisfactory usability with a user rating of 4.2/5 stars.
Decent support with a user rating of 4.4/5 stars.
Tied on platform availability (2 Platforms: Web, Linux).
Keycloak
Dimension scorecard
Multi-Dimension Performance
Winner Breakdown & Analysis
Keycloak wins overall with a weighted score of 87% based on user rating, pricing, features, usability, and support.
Pricing: $0/mo (No Free Trial), a less accessible entry point than the leader.
Keycloak lists the most features (20 features).
Ranked #1 for usability with a user rating of 4.5/5 stars.
Ranked #1 for support with a user rating of 4.8/5 stars.
Tied on platform availability (1 Platform: Linux).
Final Verdict:Keycloak
Keycloak scores higher across 4 of 11 key dimensions with a 9-point lead in our weighted analysis.
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Frequently asked questions: Gluu Server vs Keycloak
Which is better: Gluu Server or Keycloak?
Keycloak scores higher across 4 of 11 key dimensions with a 9-point lead in our weighted analysis. The best choice still depends on your team's workflow, budget and required integrations — use the side-by-side sections above to check the details that matter to you.
How do users rate Gluu Server and Keycloak?
Gluu Server is rated 4.5/5 from 4 user reviews. Keycloak is rated 4.4/5 from 5 user reviews. Ratings come from approved user reviews on SoftwareHope.
How much do Gluu Server and Keycloak cost?
Gluu Server has a free plan. Keycloak has a free plan. Always confirm current pricing on the vendor's site, as plans change.
Do Gluu Server and Keycloak offer a free plan or free trial?
Gluu Server offers a free plan and a free trial; Keycloak offers a free plan.
Which platforms do Gluu Server and Keycloak support?
Gluu Server supports Web and Linux; Keycloak supports Linux.
Which is easier to use, Gluu Server or Keycloak?
Gluu Server has an ease-of-use rating of 4.2/5, Keycloak has an ease-of-use rating of 4.5/5. Keycloak is rated easier to use by reviewers.
Most Helpful Reviews
Community-voted helpful feedback from verified users
Partnering with Gluu Server accelerated our development timeline significantly. Their engineering team demonstrated strong technical depth, adhering strictly to milestones and clean coding standards.
The technical team at Gluu Server proved to be dependable and knowledgeable across our full-stack modernization project. They resolved complex integration bottlenecks with high efficiency.
Our enterprise infrastructure integration was handled seamlessly by Gluu Server. Communication was transparent, sprint deliveries were predictable, and architecture reviews were comprehensive.
High-caliber engineering services with dependable project management. Gluu Server consistently delivered quality deliverables with thorough automated testing coverage.
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