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AUI Framework

Free#51 of 61 in Desktop App Development Frameworks

AUI Framework: AUI pairs a declarative UI toolkit with build, packaging, networking, and testing modules. Ranked #51 of 61 in Desktop App Development Frameworks by our editors (4.2/10); pricing: Free plan; best for C++ teams building cross-platform desktop and mobile UIs.

4.2/10Editor score

Visit AUI Framework

AUI Framework4.2 Visit AUI Framework

At a glance

Editor score
4.2 / 10
Pricing
Free plan
Best for
C++ teams building cross-platform desktop and mobile UIs
Free plan
Yes
Paid from
Free
UI stack
Custom
Facts checked
23 Oct 2026

Where it wins
- CMake-based dependency import and app builds
- Modules cover assets, networking, images, JSON, XML, and UI testing
- Targets Windows, Linux, macOS, Android, and iOS
Where it doesn't
- macOS support is early stage and lacks features
- MPL-2.0 requires attribution and sharing changes to AUI
- Self-hosted deployment with community and documentation support

Our verdict on AUI Framework

AUI Framework is a modular, open-source C++20 framework for developing and deploying graphical applications. Its declarative UI toolkit and documented targets across Windows, Linux, macOS, Android, and iOS suit C++ teams seeking a shared approach to desktop and mobile interfaces. The toolkit also includes modules for asset handling, networking, images, JSON, XML, audio, and UI testing, so it extends beyond interface construction into common application needs.

Build and delivery are a meaningful part of AUI’s scope. CMake-based dependency import and app builds are documented, alongside an asset/resource compiler for embedding assets and packaging support across desktop platforms. Networking covers HTTP(S), TCP, and UDP; separate modules handle image loading and processing, JSON and XML parsing, UI testing, and app update delivery. This breadth may appeal to teams that want framework modules for several development tasks, rather than a UI-only toolkit. The available deployment model is self-hosted, with documentation and community support channels.

The main qualification is platform maturity: macOS support is described as early stage and lacking features, so teams with macOS requirements should assess that target carefully before choosing AUI. The project is free under MPL-2.0, but publishing applications entails attribution and source-sharing obligations for changes made to AUI. That makes license review relevant for commercial distribution. AUI is a fit for C++ teams comfortable with a custom UI stack and community-supported, self-hosted development; teams needing mature macOS support or commercial support should consider alternatives.

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

AUI Framework pricing

Plans Free planFree Free to use — no paid tier required for the core job.

See plans on aui-framework.github.io

AUI Framework fact sheet

Free plan	Yes
Paid from	Free
Supported desktop OS	Multi_platform
UI stack	Custom
Primary language	C++20
Open source	Yes
Mobile targets	Yes
App packaging	Both
Commercial support	No
Deployment	Self-hosted
Platforms	Windows, Linux, macOS, Android, iOS
Support	Community, Docs
Built for	Solo, Small business, Mid-market, Enterprise (editorial estimate)
Pricing	Free plan
Website	aui-framework.github.io
Facts checked	23 Oct 2026

Alternatives to AUI Framework

See all AUI Framework alternatives →

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Featured on iTechGuides

AUI Framework 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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Last updated 30 Oct 2026 · How we research and update