UML diagram software free - AI tools

ZenUML is a multi-platform diagram-as-code tool focused on rendering interactive sequence diagrams and flowcharts quickly and securely in your browser or favorite development environments.

• Freemium

Software Ideas Modeler is a comprehensive CASE and diagramming tool that supports UML, SysML, ERD, BPMN, and many other technical diagram standards for software design and analysis.

• Paid

PlantUML enables users to quickly create and export a wide range of UML and non-UML diagrams using a simple textual language, supporting diverse input and output formats for seamless integration into any workflow.

• Free

AI Diagram Maker transforms text descriptions into professional software architecture diagrams in seconds, offering a conversational interface that replaces traditional time-consuming diagramming tools.

• Freemium
• From 5$

Flowdia Diagrams is a touch-optimized diagramming software that enables users to create professional flowcharts, BPMN diagrams, mind maps, UML diagrams, and network diagrams with drag-and-drop functionality.

• Free Trial

EdrawMax is a versatile diagramming tool that allows users to create over 210 types of diagrams, including flowcharts, mind maps, org charts, and floor plans, with ease and style.

• Paid

Diagramming AI is an advanced AI-powered platform that enables users to create, edit, and manage various types of diagrams including UML, workflows, and charts through intuitive AI commands and chat interactions.

• Freemium
• From 3$

System Designer is an AI-powered tool that enables users to design systems using UML standards, generate method skeletons, and bundle components into JSON for deployment with System Runtime.

• Other

FlowChartAI is an AI-powered flowchart generator that instantly converts text descriptions and images into professional diagrams, including flowcharts, mind maps, UML diagrams, and organizational charts without requiring design skills.

• Free Trial
• From 5$

Diagram-Generator is an AI-powered tool that transforms text prompts into professional diagrams instantly, supporting 16+ diagram types including flowcharts, ER diagrams, and mind maps with no design skills required.

• Freemium
• From 9$