The MapLibre Organization is an umbrella for open-source mapping libraries.

• MapLibre GL JS @ GitHub.

Beautiful map components. 100% Free, Zero config, one command setup.

Ready to use, customizable map components for React. Built on MapLibre. Styled with Tailwind.

• mapcn @ GitHub.

Watch your computer connect across the internet in real time. Discover the world behind your apps.

• TapMap @ GitHub.

Offline Hike, Bike, Trails and Navigation.

Organic Maps is a privacy-focused offline maps & GPS app for hiking, cycling, biking, and driving. Absolutely free. No ads. No tracking. Developed with love by the open-source community and the same people, who created MapsWithMe/Maps.Me app. Powered by OpenStreetMap data.

• Organic Maps @ GitHub.

Related contents:

• The Maps App That Collects Zero Data About You (Organic Maps Interview) @ Techlore.TV.

A self-hosted travel/trip planner with real-time collaboration, interactive maps, PWA support, SSO, budgets, packing lists, and more.

• TREK @ GitHub.

City Map Poster Generator.

Transform your favorite cities into beautiful, minimalist designs. MapToPoster lets you create and export visually striking map posters with code.

Network Infrastructure Visualizer (Go-powered).

Atlas is a full-stack containerized tool to scan, analyze, and visualize network infrastructure dynamically. Built with Go, FastAPI, NGINX, and a custom React frontend, it provides automated scanning, storage, and rich dashboards for insight into your infrastructure.

• 🌐 Atlas @ GitHub.

Related contents:

• Best Docker Apps of January 2026 @ ServersatHome's YouTube.

API for generating static map images

docker-staticmaps is an open-source API for rendering static map images. Easily create maps with markers, polygons, circles, polylines or text, making it perfect for embedding map images on websites or apps. Comes with built-in rate limiting and image caching to optimize performance and protect against abuse.

Mercator is a Web application for managing the mapping of an information system as described in the Mapping the Information System Guide from ANSSI.

Mercator's objective is to enable a team to manage the mapping of an information system in a complete and consistent way, and to automatically generate the various reports needed to facilitate the maintenance and communication of this mapping.

• Mercator @ GitHub.

Related contents:

• Mapping the information system @ ANSSI.
• Cartographie du système d'information @ ANSSI :fr:.
• Mercator - La cartographie du système d'information @ LinuxFr.org :fr:.
• Episode #513 consacré à Mercator @ NoLimitSecu :fr:.
• Mercator @ Sourcentis.
• Guide de l'ANSSI : Cartographie Du Système D'information by Chistine Dessus @ Calaméo :fr:.

Open Source Infrastructure Mapping Tool.

Cartography is a Python tool that consolidates infrastructure assets and the relationships between them in an intuitive graph view powered by a Neo4j database.

• Cartography documentation.
• Cartography @ GitHub.

Related contents:

• Episode #506 consacré au logiciel Cartography avec Jérémy Chapeau @ NoLimitSecu :fr:.

Advanced Cyber Threat Map (Simplified, customizable, responsive and optimized).

Advanced Cyber Threat Map (Simplified, customizable and responsive. It uses D3.js with TOPO JSON, has 247 countries, ~100,000 cities, and can be used in an isolated environment without external lookups!.

Browse historical places and search for old maps with timeline.

Maps server providing tiles, geocoder, and router.

OSM Scout Server can be used as a drop-in replacement for online map services providing map tiles, search, and routing. As a result, an offline operation is possible if the device has a server and map client programs installed and running. OSM Scout Server is mainly developed for Sailfish OS, but could be used on a regular Linux system as a console or QtQuick application.

• OSM Scout Server @ GitHub.

Compare maps side by side.

A React application for synchronized multi-view map comparison. Mostly generated by AI.

• MapMatrix @ GitHub.

Open Spots is a fork of Spots that is designed to help organizations deliver real-time building availability data to staff, employees, customers, or students.

Developers can create an API to deliver their own data to the Open Spots platform. This data can be visualized on an interactive map, and display available spots (rooms with time slots).

• Open Spots @ GitHub.

A free and open source map of the world. An interactive, customizable and open source map of the world, delivered as a single file hosted on cloud storage.

Protomaps is an open source map of the world, deployable as a single static file on cloud storage.

• Protomaps @ GitHub.

OpenFreeMap lets you display custom maps on your website and apps for free.

You can either self-host or use our public instance. Everything is open-source, including the full production setup — there’s no ‘open-core’ model here. Check out our GitHub. The map data comes from OpenStreetMap.

• OpenFreeMap @ GitHub.

Related contents:

• Understanding Round Robin DNS @ Thoughts while building.
• OpenFreeMap survived 100,000 requests per second @ Thoughts while building.

Meshtastic Node Map

• MeshMap.net @ GitHub.

Le projet Github france-geojson propose au format GeoJSON les cartes des régions, départements, arrondissements, cantons et communes de France (métropole et départements d'outre-mer) à partir des données publiées par l'IGN et l'INSEE.

• France GeoJSON @ GitHub.

The free alternative to photo-mapping territories

Panoramax is a digital resource for sharing and using field photos. Anyone can take photographs of places visible from public roads and contribute them to the Panoramax database. This data is then freely accessible and reusable by all.

• Panoramax @ GitLab.

Openrouteservice is a open source route planner with plenty of features for car, heavy vehicles, hiking, cycling and wheelchair.

This application implements a map client for the openrouteservice API as Single Page Application (SPA). It is a base application that can be used for multiple purposes, customized via configurations and extended via plug-ins.

OpenRouteService map client @ GitHub.

Folium builds on the data wrangling strengths of the Python ecosystem and the mapping strengths of the Leaflet.js library. Manipulate your data in Python, then visualize it in a Leaflet map via Folium.

Folium @ GitHub

Powering current and next-generation map products by creating reliable, easy-to-use, and interoperable open map data.

Overture aims to incorporate map data from multiple sources including Overture Members, civic organizations, and open data sources.

Overture is for developers who build map services or use geospatial data.

• Overture Maps @ GitHub.

OpenInddor app aims to render OSM data inside a building in a 3D way.

This multi-page web app demonstrates various interactive web apps created using streamlit and open-source mapping libraries, such as leafmap, geemap, pydeck, and kepler.gl. This is an open-source project and you are very welcome to contribute your comments, questions, resources, and apps as issues or pull requests to the GitHub repository.

simplified web map creation

Lizmap is an Open Source application based on QGIS and QGIS Server

The best way to make maps on the internet. Map edition & creation web service.

a JavaScript library for interactive maps. Leaflet is the leading open-source JavaScript library for mobile-friendly interactive maps. Weighing just about 33 KB of JS, it has all the mapping features most developers ever need.

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

MapOSMatic is a free software web service that allows you to generate maps of cities using OpenStreetMap data. The generated maps are available in PNG, PDF and SVG formats and are ready to be printed.

As the data used to generate maps is coming from OpenStreetMap, you can freely reuse, sell, or modify the generated maps under the terms of the OpenStreetMap license. Social media content used on this website was converted using video downloader.

• MapOSMatic @ GNU Savannah.