Open-source alternatives to Gdal

Mapnik is a cartographic rendering library and map rendering engine designed to convert geographic information system data into visual maps and printable layouts. It serves as a spatial data visualization tool that applies symbology and styling rules to diverse geographic data sources. The project utilizes an XML map configuration framework to define the visual appearance of maps, allowing the separation of styling logic and layout properties from the core rendering engine. Its capabilities cover geographic information visualization and cartographic style management. The system integrates sp

golang wrapper for github.com/OSGEO/gdal

Experimental code for loading/saving XArray DataArrays to Geographic Rasters using rasterio

AWS Lambda Container Image with Python Rasterio for querying Cloud Optimised GeoTiffs.

rioxarray README

OSMnx is a Python library for downloading, modeling, and analyzing street networks and other geospatial features from OpenStreetMap. It enables users to retrieve and work with real-world infrastructure data anywhere in the world, providing tools for network analysis, spatial queries, and visualization. The library offers capabilities for working with urban features such as building footprints, transit stops, and elevation data, along with network statistics like intersection density and circuity. It supports multiple travel modes including driving, walking, and biking, and can calculate short

Specification for streaming massive heterogeneous 3D geospatial datasets :earth_americas:

Desktop based tool for viewing, editing and saving road network maps for autonomous vehicle platforms such as Autoware.

A Blender add-on to import models from google maps

iD is a web-based geographic information system tool and vector map editor designed for the OpenStreetMap collaborative database. It serves as a crowdsourced cartography interface for contributors to update global geographic infrastructure and land use data. The tool enables the modification of geographic shapes, attributes, and metadata directly within a web browser. It focuses on managing spatial data and physical landmarks by manipulating topological relationships between map nodes, ways, and relations. The project covers a broad range of capabilities including collaborative map editing,

🛰 An index of aerial and satellite imagery useful for mapping

osrm-backend is a high-performance routing engine and backend service designed to calculate shortest paths and travel distances using OpenStreetMap data. It functions as a graph-based pathfinding server and map data processing tool that converts raw map data into specialized formats optimized for high-speed routing calculations. The system provides specialized route calculation for different transport modes, allowing for the definition of custom routing profiles with specific speed limits and travel constraints. It enables high-performance route planning and travel time estimation across larg

GRASS - free and open-source geospatial processing engine

Map handling framework for automated driving

A map representation based on 3D segments

The OpenStreetMap editor driven by open data, AI, and supercharged features

Java map matching library for integrating the map into software and services with state-of-the-art online and offline map matching that can be used stand-alone and in the cloud.

Mapbox GL JS is a WebGL map rendering engine and interactive web map framework used to render vector tiles, raster imagery, and 3D terrain in the browser. It functions as a vector tile map library and geospatial data visualization tool, employing GPU-accelerated shaders to transform geospatial data into interactive maps. The project distinguishes itself through the integration of custom WebGL layers directly into the rendering pipeline and the use of data-driven expressions to map feature properties to visual attributes. It supports specialized data loading via PMTiles and provides offline ma

Plugins to make Autoware vector maps in Unity

This project is a utility library for the Google Maps SDK for Android, providing a suite of specialized tools for rendering geospatial data, calculating spherical geometry, and visualizing map markers and heatmaps. It serves as a helper collection to handle complex geospatial tasks within Android applications. The library features a marker clustering tool to group nearby markers into single icons and a map data visualizer for generating heatmaps based on the intensity and distribution of geographic points. It also includes a polyline encoding tool for compressing coordinate sequences into com

This is an open-source platform for creating, hosting, and interacting with persistent AI characters that maintain personality and memory across conversations. The system orchestrates the full lifecycle of an AI companion by combining character definitions, conversation history, memory retrieval, model abstraction, and external communication channels into a unified runtime pipeline. The platform enables users to define detailed character personalities through structured configuration files that shape conversational behavior, and supports multi-turn dialogue through a memory system that stores

Cesium is a JavaScript library designed for rendering high-precision 3D globes and 2D maps within web browsers. It functions as a visualization engine that leverages hardware-accelerated graphics to display complex geographic data, terrain, and imagery. The library distinguishes itself through a modular architecture that supports the streaming of massive geographic datasets. By employing tiled data delivery and hierarchical level-of-detail optimization, it maintains performance while navigating large-scale environments. It also includes a time-dynamic state management system, which synchroniz

Shapely is a geometric analysis library for the manipulation and analysis of planar geometric objects. It functions as a computational geometry toolkit, a spatial predicate engine for evaluating topological relationships, and a vectorized geometry processor. The library distinguishes itself through a vectorized geometry processor capable of executing operations across coordinate arrays with multi-threaded parallel processing. It utilizes prepared geometry optimization to accelerate repeated containment and intersection tests and implements R-tree spatial indexing for efficient nearest-neighbo

geemap is a Python library and geospatial toolkit designed for interactive mapping, remote sensing visualization, and satellite imagery analysis. It serves as a Python interface for Google Earth Engine, enabling users to manage cloud-based geospatial workflows and visualize datasets within notebook environments. The project distinguishes itself through automated code conversion, allowing scripts and notebooks to be translated between programming languages. It also provides specialized remote sensing visualization capabilities, such as generating time-lapse GIFs from imagery sequences with sup

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

Dawarich is a self-hosted location history manager and travel journaling platform. It functions as a personal travel archive that collects GPS coordinates and movement data, providing a private alternative to proprietary tracking services. The system utilizes a PostgreSQL geospatial database to store coordinates, visits, and custom geofence boundaries. The project distinguishes itself as a geospatial data converter and visualization tool, capable of transforming location history between formats such as GPX, KML, and GeoJSON. It allows users to organize GPS tracks and geotagged photos into nam