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Compare Calibre Web and Polar Bookshelf's popularity and activity

Popularity
8.9
Growing
Activity
8.3
Declining
Popularity
8.1
Stable
Activity
10.0
Growing

Calibre Web Polar Bookshelf
8,795 4,340
168 72
1,046 245
66 days 25 days
over 2 years ago over 2 years ago
7 days ago almost 2 years ago
Python TypeScript
GNU General Public License v3.0 only GNU General Public License v3.0 only
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Interest over time of Calibre Web and Polar Bookshelf

Note: It is possible that some search terms could be used in multiple areas and that could skew some graphs.



The line chart is based on worldwide web search for the past 12 months.
If you don't see the graphs
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