@StackGIS
Score: 12
Created: Jan 1 '15 at 3:24
Clicks per day: 0.41 (744 total)
QGIS - A Free and Open Source Geographic Information System
Score: 36
Created: Jan 1 '15 at 12:45
Clicks per day: 1.66 (2,981 total)
GeoTools The Open Source Java GIS Toolkit
Score: 16
Created: Jan 1 '15 at 20:01
Clicks per day: 1.59 (2,853 total)
GDAL - Geospatial Data Abstraction Library
Score: 23
Created: Jan 3 '15 at 13:29
Clicks per day: 1.47 (2,633 total)
Open Data StackExchange
Score: 20
Created: Jan 26 '15 at 10:13
Clicks per day: 1.86 (3,308 total)
If you want down-to-earth answers to your questions
Score: 7
Created: May 22 '15 at 7:26
Clicks per day: 0.53 (879 total)
Check out the Area 51 Remote Sensing Proposal
Score: 6
Created: Aug 28 '15 at 17:01
Clicks per day: 0.08 (125 total)
FOSS4G 2016 Bonn
Score: 16
Created: Oct 28 '15 at 13:52
Clicks per day: 0.38 (564 total)
GRASS GIS - Bringing advanced geospatial technologies to the world
Score: 19
Created: Oct 29 '15 at 9:17
Clicks per day: 0.56 (844 total)