NClass

Open-source, text-based UML diagram tool.

A Flexible Modeling Solution for Agile Businesses

Comprehensive UML Modeling and Design Platform

Our UML design and CASE tool helps you visualize and model software systems with ease. It supports a wide range of modeling standards to meet your needs.

Create and generate diagrams and code from a single tool. Simplify your software and system design process.

A diagramming tool for software design and visualization.

Effortlessly create and manipulate UML diagrams, export to a variety of formats, and easily share and collaborate on diagrams with others.

Effortlessly create and collaborate on complex software designs with our open-source, graphical modeling UML tool.