OSGeo/PROJ
PROJ is a C++ library for cartographic projections and coordinate transformations, used in GIS applications.
C++
Backend & APIs
API Frameworks
NOASSERTION
2.0K
Stars
881
Forks
May 22, 2015
Created
Mar 5, 2026
Last Updated
Project Analytics
Stars Growth (1 Month)
+12
+0.6% change
Avg Daily Growth (1 Month)
+0.4
stars per day
Fork/Star Ratio (All Time)
45.1%
High engagement
Lifetime Growth
0.5
stars/day over 3.9K days
Stars Over Time
Forks Over Time
Open Issues Over Time
Pull Requests Over Time
Commits Over Time
AI-Generated Tags
cartography
projections
coordinates
transformations
GIS
open-source
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