5 recommended

3
RealtimeBoard 2.0

Web-based whiteboarding & team collaboration tool

clean UI, fast and has desktop app
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3
Lucidchart

Easily draw diagrams & collaborate with others online

Kesava Mandiga3Curious cat. Writer. Explorer. · Written
These guys have all the flowchart and diagram options you'll ever need. Again, web-based tool that they like to call "Visio for Mac". Check it out.
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2
Google Slides

Daniel VesterUX / UI Designer · Written
I have found google slides to be much better than any other free options out there. You can also use it offline.
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2
Draw.io

Create and share diagrams easily

Kesava Mandiga3Curious cat. Writer. Explorer. · Written
Web-based tool that lets you create and share diagrams. It's easy to use and works on most browsers.
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1
Cyfe

All-In-One Business Dashboard

Rohit SrivastwaFounder, ClubHack · Written
Amazing integrations, makes life easy
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