A free tool to easily create UML class diagrams with full C# and Java language support.
Publisher’s description
What is NClass?
NClass is an open-source languages & sdk program for Windows from Balazs Tihanyi.
Installation and requirements
Official installers exist for 32-bit as EXE (Inno Setup). The installer supports unattended (silent) installation.
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Documented silent install
Cons
- No native ARM64 build
- 32-bit only
- No update for more than a year
In short: NClass is an open-source languages & sdk tool for 32-bit PCs. Updates have slowed down. Administrators can deploy it unattended.
Is NClass safe to download?
- The file is served by downloads.sourceforge.net, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
C7B7B445AA1440698DE97270E0934606EC4550577AFF54C27E8B0D1A14BC0E52· 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 1 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 2.04Latest | September 23, 2025 | — | 32-bit EXE (Inno Setup) |
Install from the command line
Silent install ›winget install --id BalazsTihanyi.NClass -eNClass_v2.04_setup.exe /VERYSILENT /SUPPRESSMSGBOXES /NORESTART /SP-Related guide: How to use winget: install and update apps
Information
- Publisher
- Balazs Tihanyi
- Category
- Languages & SDKs
- Licence
- GPL-3.0
- Price
- Free
- Requires
- Windows 11 / 10
- Architecture
- 32-bit
- Installer
- EXE (Inno Setup)
- Version
- 2.04
- Released
- September 23, 2025
- Added to the catalogue
- September 23, 2025
- Versions listed
- 1
- Website
- nclass.sourceforge.net
- winget ID
- BalazsTihanyi.NClass
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is NClass free?
Yes. NClass is open-source software under the GPL-3.0 licence.
Is NClass safe to download?
The download comes from downloads.sourceforge.net, 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 NClass 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 NClass be installed silently?
Yes. The silent install page lists the exact command for each installer.
Does NClass run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 32-bit version through emulation.
What are alternatives to NClass?
Go Programming Language, LLVM, Deno, CMake and Yarn. The alternatives page compares them.
