FelgoFELGO GmbH
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Related Products
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About
A2UI is a declarative UI protocol designed to enable AI agents to generate rich, interactive user interfaces that render natively across web, mobile, and desktop environments without executing arbitrary code. Instead of relying on text-only interactions or unsafe approaches like sending HTML or JavaScript, A2UI allows agents to communicate UI intent through structured JSON messages that describe components, layouts, and data bindings, which client applications then render using their own trusted, pre-approved components. This approach separates UI generation from UI execution, ensuring that interfaces are secure, consistent with the host application’s design system, and adaptable across platforms. It is designed to be LLM-friendly, using a flat, streaming JSON structure that allows agents to incrementally build and update interfaces in real time, enabling progressive rendering and responsive user experiences.
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About
Felgo is a cross-platform SDK for rapid, native app & game development for iOS, Android, Desktop & Embedded.
Felgo’s biggest advantage is the big time savings and the easiness to learn compared to other development SDKs. You write less source code and make use of a single code base for all platforms. Less code means fewer bugs and faster releases of new updates from a single team for all platforms.
Key Features for Mobile & Desktop:
• Create stunning UIs and animations to wow your users and rank higher in the app stores.
• Code & time savings up to 80% thanks to the reactive & declarative language and 200+ APIs.
Key Features for Embedded:
• Create high performance embedded system apps & second screen apps.
• Native performance and rapid UI creation, powered by C++ & JavaScript. Felgo is an official Qt Technology Partner.
Felgo is in use by over 50.000 developers worldwide and field-proven by Fortune 500 companies across all kinds of industries.
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Audience
AI developers and product teams who want to build agent-driven applications where models generate secure, dynamic user interfaces instead of just text responses
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Audience
Oraganizations looking for a cross-platform SDK for rapid, native app development.
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Support
Phone Support
24/7 Live Support
Online
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Support
Phone Support
24/7 Live Support
Online
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API
Offers API
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API
Offers API
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
Free
Free Version
Free Trial
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Pricing
Free for personal usage.
Free Version
Free Trial
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Reviews/
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Reviews/
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Training
Documentation
Webinars
Live Online
In Person
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Training
Documentation
Webinars
Live Online
In Person
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Company InformationA2UI
United States
a2ui.org
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Company InformationFELGO GmbH
Founded: 2012
Austria
felgo.com
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Alternatives |
Alternatives |
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Categories |
Categories |
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Application Development Features
Access Controls/Permissions
Code Assistance
Code Refactoring
Collaboration Tools
Compatibility Testing
Data Modeling
Debugging
Deployment Management
Graphical User Interface
Mobile Development
No-Code
Reporting/Analytics
Software Development
Source Control
Testing Management
Version Control
Web App Development
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Integrations
HTML
JSON
JavaScript
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