N

NClass 1.6

Balazs Tihanyi  ❘ Open Source
Windows

NClass: Simplifying C# Class Generation with Ease

Elena Angelini

NClass is an intuitive tool designed to streamline the process of creating and managing C# classes, making it a must-have for developers looking to enhance their productivity.
2025 Editor's Rating

NClass is an open-source UML class design tool created by Balazs Tihanyi. It allows users to create and edit designs of software systems using the Unified Modeling Language (UML) without writing any code.

The tool has a user-friendly interface that includes basic functionalities such as drag and drop, copy and paste, undo, and redo. Users can create different types of diagrams including use case diagrams, class diagrams, activity diagrams, and sequence diagrams. NClass also provides the ability to export diagrams in various formats such as PNG, JPEG, BMP, and SVG.

  • Use case diagrams: these diagrams represent the functionality of a system from the perspective of external users.
  • Class diagrams: these diagrams show the class structure of a system, its attributes and methods, and the relationships between them.
  • Activity diagrams: these diagrams show the flow of activities in a system.
  • Sequence diagrams: these diagrams show the interaction between objects in a system over time.

NClass is written in C# programming language and runs on the .NET framework. It is available under the GNU General Public License, which means users can modify and distribute it freely under certain conditions.

The tool is suitable for developers, system analysts, and students who want to create software systems using UML without writing code. It supports Windows operating systems only.

Overview

NClass is a Open Source software in the category Development developed by Balazs Tihanyi.

The latest version of NClass is 1.6, released on 02/18/2008. It was initially added to our database on 10/29/2007.

NClass runs on the following operating systems: Windows.

NClass has not been rated by our users yet.

Pros

  • NClass is a free and open-source UML class diagram tool, making it accessible to users on a budget.
  • It is lightweight and has a simple user interface, making it easy for beginners to pick up and use.
  • NClass allows users to generate C# code from UML diagrams, aiding in the software development process.
  • It supports various UML diagram types such as class, component, and package diagrams, providing versatility for different modeling needs.

Cons

  • NClass may lack some advanced features found in more comprehensive UML tools, limiting its capabilities for complex projects.
  • The user interface design of NClass is considered outdated compared to more modern UML tools in the market.
  • It does not have as robust of a community or support system as some other UML tools, potentially hindering assistance and updates.
  • Being an open-source tool, NClass may have limited resources for frequent updates and improvements compared to commercial UML software.

FAQ

What is NClass and what is its purpose?

NClass is an open-source UML class diagram editor for Windows that supports all 14 types of UML diagrams. Its purpose is to provide a simple yet powerful tool for developers to create, analyze and modify UML diagrams.

Is NClass free to use?

Yes, NClass is completely free and open-source under the GNU General Public License version 2.

What programming languages does NClass support?

NClass itself is written in C# and supports generating code in C#, Java, C++, Ruby, Python, and more through third-party plugins.

Can I import existing code into NClass?

Yes, you can import code from DLLs or Visual Studio solutions into NClass to automatically generate class diagrams.

Does NClass support reverse engineering?

Yes, NClass can reverse engineer existing code to generate class diagrams. This feature is only available in the Professional edition of the software.

What platforms does NClass support?

NClass is currently only available on Windows operating systems. However, it can be run on other platforms such as Linux or macOS using virtualization software like Wine or Parallels Desktop.

Is there a user manual for NClass?

Yes, there is a user manual available on the official NClass website that provides detailed instructions on how to install and use the software.

Can I contribute and help improve NClass?

Yes, NClass is an open-source project and contributions are always welcome. You can contribute by submitting bug reports, feature requests, code improvements, or donations.

Where can I download NClass?

You can download the latest version of NClass from the official website at https://nclass.sourceforge.io/

What are some alternatives to NClass?

Some alternatives to NClass include Astah Community, Visual Paradigm, StarUML, and Dia. NClass is unique in its simple and intuitive interface and its support for all 14 types of UML diagrams.


Elena Angelini

Elena Angelini

I'm Elena, your go-to software reviewer at UpdateStar and tech enthusiast. Whether you're a user seeking the latest software titles or software news I've got you covered. When I'm not diving into the latest software, you can find me exploring nature trails, camping under the stars, or competing in online multiplayer games. My reviews are designed to be fun, engaging, and packed with all the details you need to make informed decisions.

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