NClass is not available for Linux but there are plenty of alternatives that runs on Linux with similar functionality. The best Linux alternative is PlantUML, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to NClass and 15 are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to NClass are Umbrello, Visual Paradigm, StarUML and Astah UML.
PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams. The generator can be run anywhere within JVM and integrated with various application such as wiki, text editor, IDE, programming language, documentation generator, and others.
Umbrello is a Unified Modelling Language (UML) modelling tool and code generator. It can create diagrams of software and other systems in the industry-standard UML format, and can also generate code from UML diagrams in a variety of programming languages.
Visual Paradigm for UML (VP-UML) is a UML design tool and UML CASE tool designed to aid software development. VP-UML supports key modeling standards such as Unified Modeling Language (UML) 2.4, SysML, ERD, DFD, BPMN 2.0, ArchiMate 2.0, etc.
StarUML is a program to develop fast, flexible, extensible, featureful, and freely-available UML/MDA platform running on Win32 platform. The goal of the StarUML project is to build a software modeling tool and also platform that is a compelling replacement of commercial UML...
Astah UML is a UML modeling editor with a user-friendly interface. It allows for the creation of various UML 2.x diagrams and mindmaps. The software includes features such as auto-creation of class diagrams, customizable shortcut keys, and merging project files.
Violet is a UML editor with these benefits: Very easy to learn and use. Draws nice-looking diagrams. Completely free. Cross-platform. Violet is intended for developers, students, teachers, and authors who need to produce simple UML diagrams quickly.
UMLGraph allows the declarative specification and drawing of UML class and sequence diagrams. The current features are part of an ongoing effort aiming to provide support for all types UML diagrams.
TopCoder UML Tool is an easy to use, consistent modeling tool for use in Design and Development competitions. The new tool was built to model sequence, class, use case, and activity diagrams. On top of that, all those elements can have documentation easily attached to them.
BOUML is a free UML 2 tool box (under development) allowing you to specify and generate code in C++, Java, Idl, Php and Python.
GenMyModel is an online modeling plateforme for UML, BPMN2, Database, Flowchart and more. It supports realtime collaboration, centralized model repository, versioning and full traceability.
Dont lose the advantage of clarity and simplicity to an overly complicated tool - the Poseidon for UML software line lets you get down to work without entanglements in your development environment. Powerful features such as round trip engineering and documentation generation...
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