Heimer is a desktop application for creating mind maps and other suitable diagrams. It's written in Qt and targeted for Linux and Windows.
Features
Adjustable grid
Automatic layout optimization
Autoload & Autosave
Easy-to-use UI
Export to PNG or SVG
Forever 100% free
Full undo/redo
Nice animations
Quickly add node text and edge labels
Save/load in XML-based .ALZ-files
Translations in English (default), Chinese, Dutch, Finnish, French, German, Italian, Spanish
Very fast
Zoom in/out/fit
Zoom with mouse wheel
 Homepage
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Recent Releases
4.5.013 Apr 2025 04:25
major bugfix:
Release date:
Sun, 16 Mar 2025 12:04:52 +0200.
New features:
Add a language menu.
- The active Language can be now set via a menu at the top-right corner.
- The selected language will saved and automatically loaded again.
- Setting language in the CLI will override the selected language.
Add basque translation (eu).
Add Portuguese translation (pt_Pt, pt_Br).
Make zoom-to-fit take possibly selected nodes into account.
GitHub : Keep node handles usable.
- Nodes are now raised and zoomed in on mouse hover.
- This behavior can be disabled by Settings = Editing = Raise node on mouse hover.
:
default image size in PNG export dialog.
- Set the default image size to current view size.
- Set a more sensible upper limit for the image size.
zooming when searching text on labels.
position offset when creating a new node by dragging.
GitHub build errors in Windows.
very slow node insertion on large mind maps.
4.4.028 Mar 2024 13:35
major bugfix:
New features:
* Search text also in edge labels
* Implement group deletion of edges
* Apply text search on undo/redo
Bug fixes:
* Fix GitHub Issue #191: Windows: Text highlighted by the search not visible
* Fix GitHub Issue #255: Run error in ArchLinux
* Fix search field not always taking focus on startup
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