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Keycloak vs Warrant: Pricing and Ratings Compared (2026)

Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Keycloak and Warrant side by side. This page compares data; it is not a hands-on review.

On the data: On the data below, Keycloak leads on a free plan. We do not name an overall winner for this pair.

Data comparison compiled by Toolradar, not hand-reviewed Methodology
Data comparison Pricing checked Sep 28, 2026

Short on time? Here's the quick answer

Based on published vendor pricing and features and on public review data, here's who should pick what:

Keycloak

Open-source identity and access management

Best for you if:

  • • You want a fully free tool (Warrant requires payment)

Warrant

Centralized authorization and access control infrastructure for developers.

Best for you if:

  • • You want unifies authorization across diverse environments (microservices, frontend, cloud, edge)
At a glance: Keycloak vs Warrant
At a Glance
Keycloak Keycloak
Warrant Warrant
Starts at
Free 100% free
Not published
Category
Identity & Access Security
Identity & Access Security
Rating
n/a n/a
Free plan
Yes No

Choose Keycloak or Warrant?

Keycloak

Choose Keycloak if

  • You want a fully free tool (Warrant requires payment)
  • You want open source identity
  • You want self-hostable
Warrant

Choose Warrant if

  • You want unifies authorization across diverse environments (microservices, frontend, cloud, edge)
  • You want offers flexible modeling for various access control schemes

In-Depth Analysis

Keycloak Keycloak

Open-source identity and access management

Great value

Keycloak's pricing is exceptionally generous, being entirely free as an open-source solution.

Strengths

  • Pro: Open source identity
  • Pro: Self-hostable
  • Pro: Feature rich
  • Pro: No per-user cost
  • Pro: Enterprise ready

Weaknesses

  • Con: Complex to set up
  • Con: Requires maintenance
  • Con: Learning curve
  • Con: Java-based
  • Con: UI dated

Key features

Identity management SSO LDAP Social login Admin console Open source

Warrant Warrant

Centralized authorization and access control infrastructure for developers.

Strengths

  • Pro: Unifies authorization across diverse environments (microservices, frontend, cloud, edge).
  • Pro: Offers flexible modeling for various access control schemes.
  • Pro: Provides developer-friendly tools like SDKs, CLI, and embeddable components.
  • Pro: Includes a management dashboard for both technical and non-technical users.
  • Pro: Facilitates compliance with detailed audit logs.

Weaknesses

  • Con: Requires integration into existing application architecture.
  • Con: Initial setup involves defining authorization models and rules.

Key features

Enforce user roles and permissions Secure data across multi-tenant applications Implement fine-grained access control Gate paid features behind pricing tiers and entitlements Enforce attribute-based access control Simplify organization and team management

Plans and prices: Keycloak vs Warrant

Plans and prices of Keycloak and Warrant, as read on each vendor's pricing page. Each plan keeps its own billing unit.
Tool Plans and prices Source
Keycloak
  • Open Source: Free
keycloak.org read Sep 28, 2026
Warrant No plan prices on file warrant.dev

Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Keycloak pricing and Warrant pricing.

Key Takeaways

Keycloak

  • Has a free plan

Warrant

  • Choose if you want centralized authorization and access control infrastructure for developers

What the data shows

On the data below, Keycloak leads on a free plan. We do not name an overall winner for this pair.

  • Only Keycloak has a free plan.

Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate

Frequently Asked Questions

How do Keycloak and Warrant compare in 2026?

On the data below, Keycloak leads on a free plan. We do not name an overall winner for this pair. Only Keycloak has a free plan.

What are Keycloak and Warrant used for?

Keycloak: Open-source identity and access management. Warrant: Centralized authorization and access control infrastructure for developers.

What does Keycloak cost vs Warrant?

Keycloak is free. Warrant has no public paid-plan price on file. Prices read on the vendors' pricing pages, latest check Sep 28, 2026.

What's the main difference between Keycloak and Warrant?

Keycloak's main strength: open source identity. Warrant's main strength: unifies authorization across diverse environments (microservices, frontend, cloud, edge).

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