1.qgis / QGIS
QGIS is a free, open source, cross platform (lin/win/mac) geographical information system (GIS)
+652 stars
from 14,131 · score 6.48
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10 repositories by Attention Score · Aug 7, 2026 – Nov 4, 2026 (UTC)
2.google / s2geometry
Computational geometry and spatial indexing on the sphere
- geometry
- spherical-geometry
- s2
- spatial-indexing
+48 stars
from 2,699 · score 3.89
3.OSGeo / PROJ
PROJ - Cartographic Projections and Coordinate Transformations Library
+34 stars
from 2,000 · score 3.56
4.PDAL / PDAL
PDAL is Point Data Abstraction Library. GDAL for point cloud data.
+32 stars
from 1,399 · score 3.50
5.mapnik / mapnik
Mapnik is an open source toolkit for developing mapping applications
+29 stars
from 3,944 · score 3.40
6.ad-freiburg / loom
Software suite for the automated generation of geographically correct or schematic transit maps.
+25 stars
from 286 · score 3.26
7.fzi-forschungszentrum-informatik / Lanelet2
Map handling framework for automated driving
+19 stars
from 953 · score 3.00
+14 stars
from 1,061 · score 2.71
9.jianboqi / CSF
LiDAR point cloud ground filtering / segmentation (bare earth extraction) method based on cloth simulation
+12 stars
from 640 · score 2.56
10.connormanning / entwine
Entwine - point cloud organization for massive datasets
+8 stars
from 525 · score 2.20