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Diagram Software with Commenting/Notes (2026) - Page 2

Last updated: April 2026

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35 software options

WorkCanvas logo

Digital whiteboard to collaborate, plan, and visualize tasks

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WorkCanvas is a cloud-based digital whiteboard software that helps teams plan, collaborate, and execute tasks and projects.

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2c8 Apps logo

Cloud-based business modeling software

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2c8 Apps is a business modeling software that allows users to visualize an organization's structure, processes, and operations through graphical models and objects.

Use various model types to visualize, gain insights, and improve your business. Try it today.

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Sketchboard logo

Virtual whiteboard solution for businesses of all sizes

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Sketchboard is a virtual whiteboard software that enables businesses of all sizes to visualize, share ideas, and collaborate with remote teams in real-time. Software development teams can utilize the platform to send or receive feedback on ideas, post comments, and share private whiteboards.

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AnyChart logo

Award-winning JavaScript charting library

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Award-winning JavaScript charting library. Enables developers to easily add stunning interactive charts and dashboards into any web, mobile, or standalone projects regardless of stack. Offers numerous built-in chart types, robust API and documentation, and enterprise-grade support.

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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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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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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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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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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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