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Azul

Free#52 of 61 in Desktop App Development Frameworks

Azul: A Rust GUI toolkit with broad targets and a release-readiness caveat. Ranked #52 of 61 in Desktop App Development Frameworks by our editors (4.1/10); pricing: Free plan; best for rust teams targeting desktop, mobile, and web.

4.1/10Editor score
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Azul4.1 Visit Azul

At a glance

  • Editor score
    4.1 / 10
  • Pricing
    Free plan
  • Best for
    Rust teams targeting desktop, mobile, and web
  • Free plan
    Yes
  • Paid from
    Free
  • UI stack
    Custom
  • Facts checked
    23 Oct 2026

  • Where it wins

    • GPU rendering through Mozilla WebRender
    • CSS styling, widgets, and Flexbox and grid layouts
    • Targets desktop, mobile, and web

  • Where it doesn't

    • The listed v0.2.0 release is not functional yet
    • The API does not match the listed release
    • Release readiness is unclear

Our verdict on Azul

Azul is an open-source GUI framework for building native interfaces, with official targets spanning desktop, mobile, and web. Its primary language is Rust, and it is aimed at teams that want a custom UI stack across those platforms. The framework combines GPU rendering through Mozilla WebRender with a DOM-style composition model, CSS styling, layout tools, event callbacks, and built-in widgets. Its breadth may appeal to Rust teams seeking one toolkit for several target types; it is less suitable for projects that need a clearly ready-to-adopt release today.

The UI toolkit covers much of the interface layer: inputs, toggles, menus, and checkboxes come built in, while Flexbox and grid support provide layout options. Scoped styles, callback-based event handling, and state updates support application behavior, and native background threads and timers extend beyond rendering. Documentation includes bindings and guides for multiple programming languages, including Rust, C, C++, and Python. This combination makes Azul broader than a narrow desktop widget library, though teams should assess whether its custom UI approach fits their application and platform needs.

Adoption hinges on release status. The listed v0.2.0 release is identified as not functional yet, and its API does not match that release; the project is also described as available today, leaving release readiness unclear. That gap matters more than the feature list for teams choosing a framework for production work: verify the current release and API before committing. Azul may suit Rust developers evaluating a cross-platform GUI toolkit or willing to track project readiness, but teams that require a confirmed functional release and matching API should consider alternatives until those conditions are clear. The framework is free and open source, with no paid tiers to weigh.

Your product? Our editors can test Azul in depth and publish a review, labelled as paid · from $149/mo →

Azul pricing

Plans Free planFree Free to use — no paid tier required for the core job.
See plans on azul.rs

Azul fact sheet

Free planYes
Paid fromFree
Supported desktop OSMulti_platform
UI stackCustom
Primary languageRust
Open sourceYes
Mobile targetsYes
App packagingBundle
Commercial supportNot verified
DeploymentSelf-hosted, Mobile
PlatformsWindows, macOS, Linux, iOS, Android, Web
Built forSolo, Small business, Mid-market, Enterprise (editorial estimate)
PricingFree plan
Websiteazul.rs
Facts checked23 Oct 2026

Alternatives to Azul

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Featured on iTechGuides

Featured on iTechGuides — Azul 4.1/10

Azul is listed in our Desktop App Development Frameworks directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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