Mogan Editor is a structure editor delivered by the Xmacs Labs.
Mogan Editor is a libre software forked from GNU TeXmacs.
Publisher’s description
What is Mogan STEM?
Mogan STEM is an open-source text editor program for Windows from XmacsLabs. It is written in Scheme.
Installation and requirements
Official installers exist for 64-bit as EXE. It can be installed for the current user only, without administrator rights. The installer supports unattended (silent) installation.
Updates and version history
The current version is 2026.3.7, released on September 29, 2026. 46 versions are listed since May 4, 2022, each with links to its own installer files. That is about 10 releases a year. The last update is less than a month old.
Popularity and file types
The source code on GitHub (MoganLab/mogan) has 579 stars. On Windows it registers 3 file types, including .ts, .tp and .tm. Similar programs include Notepad++, Atom and Neovim.
Project description on GitHub: “Mogan STEM Suite (based on GNU TeXmacs): Enjoy exploring science and technology!”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Documented silent install
- Installs without administrator rights
- Frequent updates (about 10 a year)
Cons
- No native ARM64 build
In short: Mogan STEM is an open-source text editor tool for 64-bit PCs. It is actively maintained. Administrators can deploy it unattended.
Is Mogan STEM safe to download?
- The file is served by github.com, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
979342E40334E66A56B5365C8C831C0D552B243524A8AD1B84320929648AC67A· Open the VirusTotal report for this hash - The link has not been checked yet
- The source code is public
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 46 versions ›46 versions over 4 years · about 10 a year
| Version | Date | Size | Files |
|---|---|---|---|
| 2026.3.7Latest | September 29, 2026 | — | 64-bit EXE |
| 2026.3.6 | September 20, 2026 | — | 64-bit EXE |
| 2026.3.5 | September 10, 2026 | — | 64-bit EXE |
| 2026.3.4 | September 2, 2026 | — | 64-bit EXE |
| 2026.3.2 | August 27, 2026 | — | 64-bit EXE |
| 2026.3.1 | August 20, 2026 | — | 64-bit EXE |
| 2026.2.6 | June 18, 2026 | — | 64-bit EXE (NSIS) |
| 2026.2.5 | May 14, 2026 | — | 64-bit EXE (NSIS) |
Install from the command line
Silent install ›winget install --id MoganLab.Mogan -eMoganSTEM-v2026.3.7-64bit-installer.exe --silentRelated guide: How to use winget: install and update apps
Information
- Publisher
- XmacsLabs
- Category
- Text editors
- Licence
- GPL-3.0
- Price
- Free
- Source code
- github.com/MoganLab/mogan
- Written in
- Scheme
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- EXE
- Version
- 2026.3.7
- Released
- September 29, 2026
- Added to the catalogue
- April 13, 2026
- Versions listed
- 46
- Updates / year
- 10.4
- GitHub stars
- 579
- GitHub forks
- 117
- Website
- mogan.app
- winget ID
- MoganLab.Mogan
File types it opens (3)
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is Mogan STEM free?
Yes. Mogan STEM is open-source software under the GPL-3.0 licence.
Is Mogan STEM safe to download?
The download comes from github.com, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install Mogan STEM with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Can Mogan STEM be installed silently?
Yes. The silent install page lists the exact command for each installer.
Does Mogan STEM run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.
Where can I download an older version of Mogan STEM?
The versions page lists all 46 versions with links to their official installer files, back to May 4, 2022.
Can I use Mogan STEM without administrator rights?
Yes, there is a per-user installer that does not need administrator rights.
What are alternatives to Mogan STEM?
Notepad++, Atom, Neovim, Geany and WordPress.com. The alternatives page compares them.
