Discover how to build your products using outstanding technologies made ready for embedded software developers. MicroEJ tools and libraries enable you to easily create:

  • Custom software embedded dev-platforms for your IoT devices
  • Appealing and intuitive embedded graphical user interfaces (GUI)
  • Seamless device and Cloud connectivity
  • Custom application store for your devices and safe distribution of your software assets across your organization and partner ecosystem
Discover MicroEJ

New MicroEJ Central Repository v3.1.0

Visit MicroEJ Central Repository to discover our ready-to use software libraries useful for building your applications. Discover major updates on subjects such as:

  • Graphics
  • Network
  • Strings
  • Security
  • And much more!
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Java Touch Tool

Create and calibrate smooth UI with updated version of our Java Touch Tool and the latest UI libraries and SDKs.

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Developer Repository – FlatBuffers

Discover in our Developer Repository the Google FlatBuffers library. This repository makes the Java APIs of this library available in the MicroEJ environment and deployable into MICROEJ VEE (Virtual Execution Environnement).


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Get access to our featured starter kits (available with or without hardware) to let you try and evaluate our technology. Happy coding!

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Discover MicroEJ Runtime

Runtime Embedded DevelopmentMICROEJ VEE is a trusted virtual execution environment in which your applications can be executed in a reliable and secure manner thanks to thorough secure partitioning.


Beautiful fast Embedded GUI by MicroEJ


Build for Embedded GUI

MicroEJ’s embedded GUI solution provides you with efficient tools and libraries to create elegant and effective graphical user interfaces, even on low-cost / low-power processors such as microcontrollers.

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IoT Connectivity


Build for IoT Connectivity

By combining processors dedicated to connectivity (Wi-Fi, BLE, etc.) and various IoT protocols, create your IoT products enabled by rich software content.

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Design with JavaScript

MICROEJ Kifaru opens up embedded development to the millions JavaScript developers across the globe. MICROEJ Kifaru is compatible with all existing MicroEJ libraries (see our resources), but also JavaScript libraries using npm and common JavaScript tools such as Babel.

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MicroEJ Developer Resources



You are already a MicroEJ user and looking for a specific resource for your ongoing project? Go to our resources page to find docs, how-to, examples, libraries, tools, platform and firmware references in order to build your app or software dev-platform.

Resources and Libraries

MicroEJ Developer Central Repository


Central Repository

On our central repository, you’ll find a wide range of software artifacts that can extend your MICROEJ SDK development environment.

Central Repository

MicroEJ APIs


MicroEJ APIs

Explore Java packages and classes available to application developers.

MicroEJ APIs