Heimer

Spec sheet

Purpose

Heimer is a desktop application for creating mind maps and other suitable diagrams.Read 11 Oct 2026 · github.com

Supported platforms

linux,windowsRead 20 Sep 2026 · github.com

Free plan

YesRead 20 Sep 2026 · github.com

Integrations

The project pages describe a standalone Qt desktop application and do not list third-party integrations.Read 11 Oct 2026 · github.com

Security

The repository has a Security tab, but the opened security overview provides no security or compliance details.Read 11 Oct 2026 · github.com

License

Heimer’s source code is licensed under GNU GPLv3.Read 11 Oct 2026 · github.com

Editing

The app supports full undo and redo, and lets users quickly add node text and edge labels.Read 11 Oct 2026 · github.com

Export

Mind maps can be exported to PNG or SVG.Read 11 Oct 2026 · github.com

Export formats

PNG,SVGRead 20 Sep 2026 · github.com

Languages

The README lists English, Basque, Chinese, Dutch, Finnish, French, German, Italian, and Spanish translations.Read 11 Oct 2026 · github.com

Layout

Features include automatic layout optimization and an adjustable grid.Read 11 Oct 2026 · github.com

Linux downloads

Linux installation options include Snap, Debian packages, and AppImage; the README recommends Snap.Read 11 Oct 2026 · github.com

Linux package listing

The Snap Store lists Heimer version 4.5.0 on the latest/stable channel.Read 11 Oct 2026 · snapcraft.io

Note taking

The project describes Heimer as a mind map, diagram, and note-taking tool written in Qt.Read 11 Oct 2026 · github.com

Saving

Heimer supports autoload, autosave, and XML-based .ALZ files.Read 11 Oct 2026 · github.com

Windows downloads

Windows downloads include an installer and a ZIP archive containing the Heimer executable.Read 11 Oct 2026 · github.com

Plans and prices

Every Heimer plan and price →

Where Specifiction places it

• Mind Map Tool#14 of 277.9
• Mind Mapping Software#39 of 728.0
• Mind mapping tools#61 of 727.4