Designed for the future

Code once. Run everywhere.

Apache Royale™ is a productive, open-source frontend application technology that lets you code in MXML & AS3 and output to different formats.

Enterprise Class Level

Design and code in enterprise level languages and tools to ensure the level of quality your applications and clients demand.

Multiple Targets & Devices

Maintain your knowledge and workflows intact for years to come and let Royale provide you with the right output you need.

Fast Performance & Lightweight

Royale Apps are light and performant thanks to the PAYG (Pay As You Go) philosophy combined with their composition architecture (Strands and Beads).

OOP & Declarative Programming

Code in a robust OOP language (AS3) and build your interfaces in a fast declarative XML language (MXML).

Advanced Communications

Royale support AMF communications a performant way to share object graphs with your backend of choice.

Supported by Apache

A great Open Source Foundation ensures long term evolution with the technologies you choose far beyond market and corporate trends.

Install Apache Royale via npm

After global installation, the following compiler tools will be available for you to use: mxmlc, compc, asjsc, asjscompc, asnodec, and externc.


mxmlc <path to main.mxml file>
asjsc <path to file>

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Join Apache Royale

Apache Royale needs your help. Want to be part of our community and contribute?

Join Us!

You can be part of Apache Royale and start using and contributing to this project. We need your skills to make this great technology reach the next step. You can start by joining us in our mailing list.