Heimer is a simple cross-platform mind map and note-taking tool written in Qt.
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Heimer is a desktop application for creating mind maps and other suitable diagrams. It's written in Qt and targeted for Linux and Windows.

Here is a simple mind map of Heimer itself running on Ubuntu 18.04:

Heimer screenshot


  • Easy-to-use UI
  • Very fast
  • Zoom in/out/fit
  • Zoom with mouse wheel
  • Save/load in XML-based .ALZ-files
  • Export to PNG images
  • Quickly add node text and edge labels
  • Nice animations
  • Full undo/redo
  • Forever 100% free


Heimer's source code is licensed under GNU GPLv3. See COPYING for the complete license text.

All image files, except where otherwise noted, are licensed under CC BY-SA 3.0: http://creativecommons.org/licenses/by-sa/3.0/


See https://github.com/juzzlin/Heimer/releases for available packages.

On Linux distributions that support universal Snap packages you can install Heimer like this:

$ snap install heimer

For more information see https://snapcraft.io/heimer and https://docs.snapcraft.io/core/install

Snap is the recommended way to install Heimer on Linux.

Building the project

Please refer to the INSTALL document for build/install instructions if you're going to build Heimer from sources.

Building for Linux in a nutshell:

$ mkdir build && cd build

$ cmake ..

$ make

$ sudo make install