1
Also covers mind mapping and open source · same kind of open-source project
Freeplane supports mind mapping, knowledge management, and project planning for organizing and communicating ideas.
Alternatives
The Best Heimer Alternatives in 2026
24 alternatives1 free · 18 open source
Looking for something like Heimer? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 1 are free or have a free plan and 18 are open source.
Create mind maps, diagrams, and notes with Heimer, a desktop tool targeting Linux and Windows.
Top picks at a glance
First suggestionFreeplaneFreeplane supports mind mapping, knowledge management, and…Free or freemium optionascii-art-generatorThis online ASCII art creator converts images to monochrome…Another optionCoggleCreate and share mind maps and notes with Coggle, a…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Freeplane | — | Yes | — |
| 2 | Coggle | — | Not stated | Web |
| 3 | Mindomo | — | Not stated | Android, iOS, Web |
| 4 | bubbl | — | Not stated | Web |
| 5 | MindMeister | — | Not stated | Android, Web |
| 6 | ascii-art-generator | Free | Not stated | Web |
| 7 | Markmap | — | Yes | — |
| 8 | tomboy-ng | — | Yes | Linux, macOS, Windows |
| 9 | NotepadNext | — | Yes | Linux, macOS, Windows |
| 10 | Markdown Viewer | — | Yes | — |
All Heimer alternatives
2
Coggle
coggle.itAlso covers mind mapping
Create and share mind maps and notes with Coggle, a collaborative mind-mapping tool.
3
Mindomo
mindomo.comAlso covers mind mapping
Mindomo supports collaborative mind maps, concept maps, outlines, and Gantt charts, with web and desktop apps.
4
bubbl
bubbl.usAlso covers mind mapping
Bubbl.us provides online mind maps, organizational charts, and virtual whiteboards for collaborative brainstorming.
5
MindMeister
mindmeister.comAlso covers mind mapping
Create and share visual mind maps online with MindMeister, a mind mapping tool.
6
Also covers svg
This online ASCII art creator converts images to monochrome or color text art and turns text into ASCII banners.
7
Also covers open source · same kind of open-source project
markmap visualizes Markdown as mind maps, with integrations listed for several editors.
8
Also covers linux and open source · same kind of open-source project
Take notes in tomboy-ng and synchronize them across Linux, Windows, and macOS, with rich text, printing, and spell check.
9
Also covers linux and open source · same kind of open-source project
NotepadNext reimplements Notepad++ for multiple platforms, and its project notes warn about bugs and incomplete features.
10
Also covers open source · same kind of open-source project
This Markdown editor provides live preview, diagrams, LaTeX, syntax highlighting, PDF export, and multi-tab support.
11
Also covers open source · same kind of open-source project
Zim Desktop Wiki lets users maintain linked pages and organize notes in a folder structure through its desktop wiki application.
12
Also covers linux and open source · same kind of open-source project
Markdown files can be created and edited with FlutterMarkdownEditor, including files opened from a device explorer.
13
vym
github.com/insilmaril/vymAlso covers linux · same kind of open-source project
VYM creates tree-structured mind maps and includes a personal task manager.
14
Also covers open source · same kind of open-source project
Fastedit supports text editing across multiple documents in a Windows application written in C#.
15
Also covers open source · same kind of open-source project
Notepads offers a lightweight Windows 10 text editor as an alternative to existing code editors.
16
Also covers linux and open source · same kind of open-source project
Edit Markdown in Markpad, a Notepad-style application available for Windows, macOS, and Linux.
17
Also covers open source · same kind of open-source project
Tad provides a desktop interface for viewing and analyzing tabular data files.
18
Also covers linux and open source · same kind of open-source project
Convert images to ASCII or Braille art from the command line with this cross-platform tool.
19
Also covers linux and open source · same kind of open-source project
Super Productivity combines task lists with timeboxing, time tracking, and integrations for Jira, GitLab, GitHub, and OpenProject.
20
Also covers linux and open source · same kind of open-source project
Zettlr provides a workbench for writing and organizing documents for publication.
21
Also covers open source · same kind of open-source project
This local-first web office edits Word, Excel, and PowerPoint files in the browser using WebAssembly.
22
Also covers open source · same kind of open-source project
dooit-extras provides utilities for customizing the dooit terminal to-do manager.
23
Also covers open source · same kind of open-source project
Read Markdown files in the command line with Glow, which renders the formatted document in the terminal.
24
Also covers open source · same kind of open-source project
Kompad supports note-taking with file organization, folders, tags, word counts, and theme customization.
No alternatives match this filter.
Alternatives to similar tools
Office Website24 alternativesCoggle9 alternativestomboy-ng24 alternativesMarkdown Viewer24 alternativesFlutterMarkdownEditor24 alternativesExtras24 alternatives
TopicText Editors · 166 sites Best-of list8 Best Free Code Editors for Web Projects and Quick EditsBest-of list8 Best Free Markdown Editors for Articles and Notes ListingHeimer details
What is the best alternative to Heimer?
Based on features, tags and platforms, the closest alternatives to Heimer are Freeplane, Coggle, and Mindomo.
Is there a free alternative to Heimer?
Yes. ascii-art-generator is free or offer a free plan.
Are there open-source alternatives to Heimer?
Yes: Freeplane, Markmap, tomboy-ng, and NotepadNext.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative