Free UML Tool for Fast UML Diagrams
Publisher’s description
What is umlet?
umlet is open-source Windows software in the ides & code editors category. Besides Windows, it is available for Linux.
Installation and requirements
The publisher provides Portable installers for Any CPU Windows. The main installer is 11.1 MB. It runs without installation (portable).
Popularity and file types
The Chocolatey package has been downloaded 5,891 times. Similar programs include RStudio, Node.js (LTS) and OpenCode.
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Portable: runs without installation
- Small download (11.1 MB)
- Also runs on Linux
In short: umlet is an open-source ides & code editor tool for Any CPU PCs.
Is umlet safe to download?
- The file is served by umlet.com, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
33AA1559B3A63C14F2812F9316463D3D6B9C15F60B0F7DECB8D52E5A914B308A· Open the VirusTotal report for this hash - The link answered when we last checked it (October 26, 2026)
- 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 1 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 15.1Latest | 11.1 MB | Any CPU ZIP |
Install from the command line
Silent install ›choco install umlet -yscoop install extras/umletProgram files (.exe): umlet.exe, umlet_cmd.exe
Related guide: How to use winget: install and update apps
Also for other systems
brew install umletflatpak install flathub com.umlet.UmletInformation
- Category
- IDEs & code editors
- Licence
- GPL-3.0-or-later
- Price
- Free
- Source code
- github.com
- Content rating
- All ages
- Requires
- Windows 11 / 10
- Architecture
- Any CPU
- Installer
- Portable
- Other platforms
- Linux
- Version
- 15.1
- Versions listed
- 1
- Chocolatey downloads
- 5,891
- Website
- umlet.com
- Chocolatey package
- umlet
- Scoop package
- extras/umlet
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is umlet free?
Yes. umlet is open-source software under the GPL-3.0-or-later licence.
Is umlet safe to download?
The download comes from umlet.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.
Does umlet run on ARM (Windows on Arm)?
The installer is architecture-neutral.
Can I use umlet without administrator rights?
Yes, it is portable: unpack and run it.
What are alternatives to umlet?
RStudio, Node.js (LTS), OpenCode, VSCodium and Apache NetBeans. The alternatives page compares them.
