Open-source alternatives to Mapper

Alternative LAZ implementation for C++ and JavaScript

Award-winning software for efficient LiDAR compression

Libvips is a C-based image processing library designed to manipulate large visual assets through a low-memory, parallel processing pipeline. It functions as a streaming image processor that avoids loading entire files into system memory, enabling the handling of massive images in resource-constrained environments. The library distinguishes itself through a demand-driven architecture that constructs a deferred execution plan, computing only the necessary pixels for a final output. By utilizing a cache-friendly tiled processing model and memory-mapped file access, it minimizes latency and redun

A fast geospatial static point clustering library for C++14

A command line toolkit to generate maps, point clouds, 3D models and DEMs from drone, balloon or kite images. 📷

Creating and analyzing Earth observation data cubes in R

Compute drainage orders in drainage basins using Strahler and Shreve methods

Valhalla is an open-source routing engine that calculates optimal paths and travel times using OpenStreetMap data. It is built around a tiled routing graph framework, allowing map data to be organized into small geographic tiles for efficient regional updates and offline routing capability. The project distinguishes itself through a multimodal routing server that combines automobile, pedestrian, bicycle, and public transit modes into single journeys. It includes a GPS trace matching engine to align noisy coordinates to the most probable road network paths and an isochrone and matrix generator

C++ library for geographical raster data analysis

A C++17 image representation, processing and I/O library.

C++ implementation of R*-tree, an MVR-tree and a TPR-tree with C API

Terrain Analysis Using Digital Elevation Models (TauDEM) software for hydrologic terrain analysis and channel network extraction.

Indexes points and lines and generates map tiles to display them

Mapnik implemention of Mapbox Vector Tile specification

gSLICr: Real-time super-pixel segmentation

Tippecanoe is a command-line tool used to generate optimized vector tiles for web maps. It converts large-scale geospatial datasets, including GeoJSON, CSV, and Geobuf files, into binary vector tiles or MBTiles SQLite databases. The project is designed to maintain map performance and visual quality across different zoom levels. It achieves this through geospatial data downsampling, which includes simplifying geometries and thinning point density to prevent tile overcrowding and keep tile sizes within specific limits. The tool provides extensive data transformation capabilities, such as attri

Entwine - point cloud organization for massive datasets

Computational geometry and spatial indexing on the sphere

You Only Look Twice: Rapid Multi-Scale Object Detection In Satellite Imagery

Andromeda simplifies local/remote communication for Android modularization

Digital Elevation model library in C#. 3D terrain models, line/point Elevations, intervisibility reports

ArcBruTile is permanently moved to https://bertt.itch.io/arcbrutile