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Top Rated Diagram Software with Commenting - Page 2

Last updated: May 2026

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35 software options

Creately logo

From Idea to Execution - 10x Faster with AI Diagrams

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Creately is a next-generation AI-powered diagramming tool trusted by professionals worldwide. Whether you need genograms for counseling, org charts for business, or UML for software, Creately delivers with an intuitive editor and smart templates.

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SmartDraw logo

Precise floor plans and diagrams without CAD complexity

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SmartDraw makes professional drawings and diagrams accessible to everyone. SmartDraw can replace Lucidchart or Visio at your enterprise. Create flowcharts, organizational charts, floor plans, CAD drawings, project charts, network diagrams, UML diagrams, AWS, Azure, and more.

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empower logo

Create documents faster, stay on-brand, reduce complexity.

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empower® Chart Creation is designed for building complex business charts and is ideal for data-driven presentations. With more than 40 chart types, including waterfall, Mekko, and Gantt charts as well as Excel linking and automatic layout adjustments, users create charts around 50% faster.

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Apache OpenOffice logo

Multilingual open-source office suite

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Apache OpenOffice is an open-source office suite that helps organizations create spreadsheets, presentations, and graphics, among other files. The writer module offers document templates, which allow team members to create letters, agendas, and faxes with table of contents, references, and notes.

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Vani logo
(0)

The intelligent visual collaboration platform for your team.

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Vani is an intelligent visual collaboration platform that helps teams visualize, collaborate, and execute work together.

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Cloudairy logo
(0)

Workspace for creating animated architecture diagrams

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Cloudairy is a visual collaboration platform that transforms how distributed teams ideate, plan, and build together.

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Blue J Diagramming logo
(0)

Diagrams for tax practitioners

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Blue J Diagramming allows accountants, tax lawyers, and other tax practitioners to create complex entity-relationship diagrams that are attractive and clear to share with colleagues and clients alike.

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UMLBoard logo
(0)

Create fancy unified modeling language (UML) diagrams

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UMLBoard is an easy-to-use diagram editor for unified modeling language (UML) class diagrams with a nice hand-drawn whiteboard look.

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ProcessOn logo
(0)

A tool for collaborative visual diagramming

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ProcessOn has built-in necessary graphic symbols for chart making, You can generate charts by simply dragging and dropping.

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Merit Modeler logo
(0)

Free diagramming tool for drawing flowcharts and data flows

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Merit Modeler is a completely free desktop diagramming tool for creating flowcharts, use case and data flow diagrams. Fast, intuitive, offline and ideal for software modeling, analysis and documentation.

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