Geospatial GitHub Repositories (2026) · Open Source Tools

A lightweight, cloud-native GIS platform for visualizing, exploring, and analyzing geospatial data. It runs in the web browser, on the desktop, on mobile, and inside Jupyter notebooks.

A fast, free and open-source GIS in pure Rust.

An open-source JavaScript library for world-class 3D globes and maps :earth_americas:

Open source routing engine for OpenStreetMap. Use it as Java library or standalone web server.

Data Agent Ready Warehouse : One for Analytics, Search, AI, Python Sandbox. — rebuilt from scratch. Unified architecture on your S3.

Python tools for geographic data

An open source visual editor for the 'MapLibre Style Specification'

Protocol-agnostic CesiumJS AI control runtime for MCP, WebMCP, function calling, and browser agents.

Native Swift 6 + Metal map rendering engine for SwiftUI. Globe and flat vector-tile maps with labels, SwiftUI markers and avatars, on iOS and macOS.

Self-hosted geospatial data catalog with semantic search (pgvector), OGC/STAC APIs, and map builder. Built on FastAPI, PostGIS, React, and MapLibre.

Kepler.gl is a powerful open source geospatial analysis tool for large-scale data sets.

Multi-modal constructive solid geometry kernel in Rust

Self-hostable maps stack, powered by OpenStreetMap.

Official GeoTools repository

A cluster computing framework for processing large-scale geospatial data

Multi-Mission Geographic Information System - A Web-based Mapping and Spatial Data Infrastructure for Earth, Lunar and Planetary Visualization, Research, Science, Planning and Operations.

Bringing the 3D geospatial ecosystem to Unreal Engine

A single-node analytical database engine with geospatial as a first-class citizen

TorchGeo: datasets, samplers, transforms, and pre-trained models for geospatial data

Apache Calcite