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Hi there πŸ‘‹

I'm Julian Oes, a PX4 developer and MAVSDK maintainer. I'm Swiss πŸ‡¨πŸ‡­, living in New Zealand πŸ‡³πŸ‡Ώ.

Open-source contributions:

  • 🚁 I have been a PX4 developer and open source contributor since 2012.
  • πŸ“š In 2016 I started work on MAVSDK, and I've been working on it ever since, initially sponsored by various companies, more recently in my spare time. I maintain it together with Jonas Vautherin.
  • πŸ“» I also help maintain and evolve MAVLink.
  • πŸ’» I've contributed to QGroundControl, as well as NuttX.

Community help and maintenance:

  • πŸ’¬ In my day to day I spend a considerable amount of time trying to help out in the community and answer questions. If you have asked questions on PX4 Discord or Discuss you might have come across my name.

  • πŸ› I also try to stay on top of any MAVSDK issues and bugs as they come up and address them as soon as possible, at least as much as that's possible in my spare time.

If you benefit from any of the things I do, or want to allow me to spend more time working on open source in general or MAVSDK features and todos specifically, or just support me and my family πŸ‘Ά, consider sponsoring me!

Consulting servives:

If you require my consulting services, check out


  1. PX4/PX4-Autopilot PX4/PX4-Autopilot Public

    PX4 Autopilot Software

    C++ 7.8k 13.2k

  2. mavlink/MAVSDK mavlink/MAVSDK Public

    API and library for MAVLink compatible systems written in C++17

    C++ 590 488

  3. mavlink/qgroundcontrol mavlink/qgroundcontrol Public

    Cross-platform ground control station for drones (Android, iOS, Mac OS, Linux, Windows)

    C++ 3.1k 3.4k

  4. mavlink/mavlink mavlink/mavlink Public

    Marshalling / communication library for drones.

    Python 1.6k 1.8k