Skip to content
You must be logged in to sponsor learn-more

Become a sponsor to Mark Jansen

👋 Hi, I'm Mark Jansen (learn-more), a reverse engineering enthusiast and security-focused developer. I create and maintain tools that help developers dive into system-level programming, analyze software and improve software analysis techniques.
In addition to software, I also enjoy hardware tinkering, exploring how devices work at both the hardware and firmware levels.

Featured work

  1. reactos/reactos

    A free Windows-compatible Operating System

  2. learn-more/WindowsHookEx

    A utility designed to investigate the behavior of the Windows api 'SetWindowsHookEx', and the behavior of the system when installing / calling hooks.

    C++ 22
  3. learn-more/MemView

    Show all mapped memory in a process

    C++ 17
  4. learn-more/apisets

    Repository of apisets

    Python 7
  5. learn-more/info-orbs

    An open sourced desk widget using esp32 and affordable round tft displays!

    C++

Select a tier

$ a month

Choose a custom amount.