plantuml.comの競合サイトトップ10

app.diagrams.net

draw.io is free online diagram software for making flowcharts, process diagrams, org charts, uml, er and network diagrams

mermaidchart.com

Mermaid Chart makes diagramming simple: create and edit flowcharts, sequence diagrams, and more online. Collaborate in real time and save hours.

eraser.io

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drawio-app.com

BPMN and BPMN 2.0 BPMN 2.0 provides a graphical notation to specify business processes. Based on the flowcharting technique, it offers standardized objects like events, activities, gateways, connections, pools and swimlanes, making it a common language for all stakeholders of business processes worldwide. Quickly and easily build BPMN diagrams with draw.io. Try it free

sequencediagram.org

Free sequence diagram online tool. Create sequence diagrams using textual notation or draw quickly via Drag and Drop with an easy to use interface.

websequencediagrams.com

Draw sequence diagrams in seconds using this free online tool.

visual-paradigm.com

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sparxsystems.com

Make your vision a reality with fast, intuitive modeling & design for systems, software, processes and architectures.

uml-diagrams.org

the unified modeling language (uml) is a standard visual modeling language to document business processes and software architecture using several types of diagrams - use case diagrams, class, package, component, composite structure diagrams, deployments, activities, interactions and profiles. the site provides graphical notation reference and examples of all types of uml diagrams.