Top Whiteboard Software for Diagramming

Between them, the 6 whiteboard software on this page cover real time editing (5), presentation tools (5) and idea management (5). 6 of them have written a profile you can read before you get in touch.

1. 1

   

   MURAL

   Sketching and Annotation Tools · Real Time Editing · Visual Workflow Management

   MURAL gives teams a shared digital canvas for thinking through problems visually.

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   Why #1: 1 major incident in 90 days (status page) · SOC 2 Type II, ISO 27001 · GDPR compliant, as stated on its own website, read 5 Oct 2026

   Not yet on record: client reviews, vetting.

2. 2

   

   Conceptboard

   Sketching and Annotation Tools · Real Time Editing · Visual Workflow Management

   Conceptboard is an online whiteboard where teams develop ideas together and turn them into assigned work on the same canvas.

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   Why #2: ISO 27001 · GDPR compliant, as stated on its own website, read 5 Oct 2026

   Not yet on record: client reviews, vetting.

3. 3

   

   Sketchboard

   Sketching and Annotation Tools · Real Time Editing · Visual Workflow Management

   Sketchboard is an online collaborative whiteboard for teams that need more structure than a blank canvas.

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   Why #3: GDPR compliant, as stated on its own website, read 5 Oct 2026

   Not yet on record: client reviews, vetting.

4. Also listed, not yet ranked. We hold nothing checkable on these yet that ranks them here: no client review, vetting, award, expert review, or fact stated on their own website (and on a place ranking, where they are based). They follow in order of their TrustList Score. How TrustList ranks · Get vetted, free
5. –

   

   Hoylu

   Sketching and Annotation Tools · Real Time Editing · Visual Workflow Management

   Hoylu is an online collaboration platform built around infinite digital workspaces. Teams use it to plan, build and coordinate their work from any location or time zone.

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6. –

   

   Limnu

   Sketching and Annotation Tools · Real Time Editing · Digital Canvas

   Limnu is an online whiteboard made for sketching ideas with other people quickly. The idea is people drawing together, so brainstorming and problem solving become a team effort.

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7. –

   

   Microsoft Whiteboard

   Sketching and Annotation Tools · Digital Canvas · Collaboration

   Microsoft Whiteboard is a collaborative canvas that forms part of Microsoft 365.

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