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@QuantumLeaps

Quantum Leaps

Modern Embedded Software

Quantum Leaps, LLC is a professional open source company that brings the asynchronous, event-driven, and non-blocking Active Objects (Actor model) to real-time embedded programming. Quantum Leaps' QP Real-Time Event Frameworks (RTEFs) and the tools around them enable embedded developers to efficiently apply the Active Object (Actor) model, hierarchical state machines, graphical modeling, and automatic code generation.

State Machines & Tools for Embedded Systems

Beyond the RTOS

The unique Quantum Leaps ecosystem enables embedded developers to move beyond the traditional RTOS and apply the Active Object (a.k.a. Actor) design pattern, hierarchical state machines, model based design and automatic code generation in small embedded systems, such as ARM Cortex-M MCUs (micro-controller units). Since 2005, this asynchronous event-driven approach and practical, efficient software have been delivering a competitive advantage to hundreds of companies around the world in a wide variety of markets.

Beyond the RTOS videos

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  1. qpc qpc Public

    QP/C Real-Time Event Framework/RTOS implements event-driven Active Object (Actor) model combined with Hierarchical State Machines. Specifically designed for embedded systems (e.g., ARM Cortex-M MCUs).

    C 1.3k 298

  2. qpcpp qpcpp Public

    QP/C++ Real-Time Event Framework/RTOS implements event-driven Active Object (Actor) model combined with Hierarchical State Machines. Specifically designed for embedded systems (e.g., ARM Cortex-M M…

    C++ 472 95

  3. qm qm Public

    Graphical modeling and code generation tool based on Hierarchical State Machines (UML Statecharts) and QP Real-Time Event Frameworks

    Shell 176 42

  4. qtools qtools Public

    QTools collection of host-based tools for embedded systems development with QP frameworks on Windows, Linux and macOS

    C 154 52

  5. modern-embedded-programming-course modern-embedded-programming-course Public

    Companion repository to the "Modern Embedded Systems Programming" video course.

    C 1.4k 229

  6. spexygen spexygen Public

    Traceable specifications based on Doxygen

    Python 32 2

Repositories

Showing 10 of 26 repositories
  • qtools Public

    QTools collection of host-based tools for embedded systems development with QP frameworks on Windows, Linux and macOS

    QuantumLeaps/qtools’s past year of commit activity
    C 154 52 0 0 Updated Jul 15, 2026
  • qpcpp Public

    QP/C++ Real-Time Event Framework/RTOS implements event-driven Active Object (Actor) model combined with Hierarchical State Machines. Specifically designed for embedded systems (e.g., ARM Cortex-M MCUs).

    QuantumLeaps/qpcpp’s past year of commit activity
    C++ 472 95 1 1 Updated Jul 15, 2026
  • qpc Public

    QP/C Real-Time Event Framework/RTOS implements event-driven Active Object (Actor) model combined with Hierarchical State Machines. Specifically designed for embedded systems (e.g., ARM Cortex-M MCUs).

    QuantumLeaps/qpc’s past year of commit activity
    C 1,332 298 3 1 Updated Jul 15, 2026
  • qpcpp-examples Public

    Examples for the QP/C++ Real-Time Event Framework (see qpcpp repository)

    QuantumLeaps/qpcpp-examples’s past year of commit activity
    C++ 7 4 0 0 Updated Jul 15, 2026
  • qpc-examples Public

    Examples for the QP/C Real-Time Event Framework (see qpc repository)

    QuantumLeaps/qpc-examples’s past year of commit activity
    C 26 9 1 1 Updated Jul 15, 2026
  • 3rd_party Public

    3rd-party code used in the QP/C and QP/C++ examples

    QuantumLeaps/3rd_party’s past year of commit activity
    C 9 10 0 0 Updated Jul 7, 2026
  • modern-embedded-programming-course Public

    Companion repository to the "Modern Embedded Systems Programming" video course.

    QuantumLeaps/modern-embedded-programming-course’s past year of commit activity
    C 1,409 AGPL-3.0 229 1 0 Updated Jul 7, 2026
  • spexygen Public

    Traceable specifications based on Doxygen

    QuantumLeaps/spexygen’s past year of commit activity
    Python 32 MIT 2 0 0 Updated Apr 19, 2026
  • cmsis-packs Public

    CMSIS packs released by Quantum Leaps

    QuantumLeaps/cmsis-packs’s past year of commit activity
    8 4 0 0 Updated Apr 13, 2026
  • qm Public

    Graphical modeling and code generation tool based on Hierarchical State Machines (UML Statecharts) and QP Real-Time Event Frameworks

    QuantumLeaps/qm’s past year of commit activity
    Shell 176 42 6 0 Updated Mar 10, 2026

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