QGIS is a free, open source, cross platform (lin/win/mac) geographical information system (GIS)
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Mapnik is an open source toolkit for developing mapping applications
- mapnik
- c-plus-plus
- mapping
- cartography
Computational geometry and spatial indexing on the sphere
- geometry
- spherical-geometry
- s2
- spatial-indexing
PROJ - Cartographic Projections and Coordinate Transformations Library
PDAL is Point Data Abstraction Library. GDAL for point cloud data.
efficient tools for LiDAR processing
Map handling framework for automated driving
LiDAR point cloud ground filtering / segmentation (bare earth extraction) method based on cloth simulation
Entwine - point cloud organization for massive datasets
Software suite for the automated generation of geographically correct or schematic transit maps.
Tiny header-only C++17 library for lat/lng geometry: distance, bearing, area, point-in-polygon and path proximity
Fast and storage-efficient spatial database engine for OpenStreetMap data
Github Mirror of Charles F. F. Karney GeographicLib from SF