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Free UML Software Tool

Visual Paradigm - the Best #1 FREE UML Tool in the Market!

Why Visual Paradigm?

  • It is Totally FREE for personal use and non commercial purposes
  • #1 user friendly & award-winning UML tool with incredible features
  • A full-featured, free UML modeling software for UML 2.x 13 types diagrams
  • Class Diagram
    Using Class Diagram for the design of an API. With no redundant widgets on the screen, you can design freely in a large diagram editor.
  • ERD
    Design database with Entity Relationship Diagram. Take advantage of features like auto column, inline column editing, auto FK creation, etc.
  • Sequence Diagram
    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.
  • Requirement Diagram
    Model system requirements by using SysML Requirement Diagram. We also support other SysML diagram types like IBB, BDD and Parametric Diagram.
  • Use Case Diagram
    Model high level business stakeholders and business goals using the UML use case diagram tool. Elaborate a goal by creating sub-sequence diagram and sub-activity diagram.
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Who's using Visual Paradigm?

We are trusted by over 230,000 people in companies ranging from small business to Fortune 500 companies, universities and government units.

Who's using Visual Paradigm?