Desktop appProductivity and office

Heimer

Create mind maps and lightweight diagrams on Linux or Windows.

Stars
976
Forks
122
License
GPL-3.0
Updated
Updated Jul 12, 2026

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Project overview

Heimer is a desktop editor for mind maps and other lightweight diagrams on Linux and Windows. It lets you add node text and edge labels, arrange the canvas with a grid and automatic layout, and work with autosave, undo, redo, and zoom controls. Projects are stored in an XML-based ALZ format and can be exported as PNG or SVG, with packaged downloads available for common Linux formats and Windows.

Repository facts

Primary language
C++
License
GPL-3.0
Repository updated
Jul 12, 2026
Default branch
main

Resource types

Desktop app

Use cases

Productivity and office

Operating systems

LinuxWindows

Runtime

Desktop

Audience

General users

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