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Send Feedback viewer for Docs is a free, Google Drive (TM) based diagramming Add-on for Docs
191,020 users
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Overview is a completely free diagramming Docs Add-on, no registration is required. focuses on providing enterprise grade: 

- Scalability 
- Reliability 
- Security 
- Availability 
- Privacy 

The key advantages of for a company basing their cloud storage strategy on Google Drive are: 

- All application data is stored only in Google Drive. 
- Diagram model is only transmitted directly between browser and Google Drive, server-side data is subject to Google security only. 
- only operates from the https domain, using industry standard SSL encryption. 
- Multiple Google accounts are supported, including any number of Google Apps for Business accounts. 
- is hosted on Google App Engine and statically serves a fully operational JavaScript application. The scalability and reliability of correlate with that of the serving infrastructure only. 
- Your existing backup of Google Drive files will include all files.
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January 17, 2019
Great tool, but it can be even more greater if it will allow insert diagrams into Google Sheets
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A Google User
December 12, 2018
I have done a huge diagram, but after I installed this add-on, it is still not visible in Add-ons menu for Google Slides! Whats wrong with that??
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October 30, 2018
The Best Diagram Making Add-On for Google Docs I've used
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October 28, 2018
Doesn't add much functionality to the already existing interfaces (website / offline app), but there is one critical one. The ability to "embed" diagrams into your Google Doc. Now you can go and edit the original diagram and merely refresh the diagrams in your doc. Very nice - avoids having to export diagrams to PNG and re-import them to GDocs again and agian.
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July 7, 2018
Very handy and convenient using with Google Drive
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March 20, 2018
great diagramming tool with excellent integration - Google docs, Confluence, Libre Office etc
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March 8, 2018
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January 19, 2018
Still no support to direct embed in Google Slides
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January 7, 2018
Love it so far. Amazing that this is free.
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December 4, 2017
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