Free UML Tool

Design API with the Class Diagram tool. With no redundant widgets on the screen, you can design freely in a large diagram editor.
UML software with ERD tool for database design. Boost efficiency with features like auto column, inline column editing, auto FK creation, etc.
Model system behaviors with UML sequence diagram tool. With the use of the Resource Catalog diagram tool, a sequence diagram can be created quickly and effortlessly.
Visual Paradigm provides both UML tool and Requirement Diagram tool.
Model high level business stakeholders and business goals using the UML use case diagram tool. Use the UML diagram tool to draw sub-sequence diagram and sub-activity diagram.

Everything you need, in one place

UML Support

Draw ANY of the UML2 diagrams

Modeling Capability

Re-usable elements, syntax checking, sub-diagrams, etc

Efficiency

We care about the difference between a click and a drag.

Cross Platforms

Modeling in ANY Java-enabled platforms - Windows, Mac OS X, Linux

Resource Catalog

Draw UML diagrams in quick

With just a few clicks of your mouse, you can create stunning diagrams in no time. The Resource Catalog is your secret weapon for maximum efficiency and top-notch quality. Visual Paradigm, the UML software of your dreams, is designed with you in mind, ensuring that every aspect of your design journey is as seamless and high-quality as possible.

Real Modeling Tools

We build modeling software, not drawing tool

Reuse elements in different models, ensure the correctness of design with syntax checking, establish multiple levels of abstraction with sub-diagrams, add references to design artifacts, etc. Visual Paradigm is a UML tool designed for a great outcome.

If you have ever used a real modeling software, you will appreciate how much it can help with your modeling work.

Feature List