@StackGIS
Score: 12
Created: Jan 1 '15 at 3:24
Clicks per day: 0.44 (738 total)
QGIS - A Free and Open Source Geographic Information System
Score: 36
Created: Jan 1 '15 at 12:45
Clicks per day: 1.79 (2,979 total)
GeoTools The Open Source Java GIS Toolkit
Score: 16
Created: Jan 1 '15 at 20:01
Clicks per day: 1.71 (2,851 total)
GDAL - Geospatial Data Abstraction Library
Score: 23
Created: Jan 3 '15 at 13:29
Clicks per day: 1.58 (2,631 total)
Open Data StackExchange
Score: 20
Created: Jan 26 '15 at 10:13
Clicks per day: 2.02 (3,305 total)
If you want down-to-earth answers to your questions
Score: 7
Created: May 22 '15 at 7:26
Clicks per day: 0.58 (876 total)
Check out the Area 51 Remote Sensing Proposal
Score: 6
Created: Aug 28 '15 at 17:01
Clicks per day: 0.09 (123 total)
FOSS4G 2016 Bonn
Score: 16
Created: Oct 28 '15 at 13:52
Clicks per day: 0.41 (562 total)
GRASS GIS - Bringing advanced geospatial technologies to the world
Score: 19
Created: Oct 29 '15 at 9:17
Clicks per day: 0.62 (842 total)