Open Source JavaScript Mapping Software

GeographicLib is a small C++ library for: geodesic and rhumb line calculations; conversions between geographic, UTM, UPS, MGRS, geocentric, and local cartesian coordinates; gravity (e.g., EGM2008) and geomagnetic field (e.g., WMM2020) calculations.

Seeker is an open source project that demonstrates how to obtain precise location information from devices using social engineering and web-based techniques. The tool sets up a phishing page that asks for location permissions, allowing GPS and other device data to be shared if the user consents. It can capture latitude, longitude, accuracy, altitude, direction, and even speed, with results displayed in a terminal. The project supports both manual deployment and tunneling services like Ngrok for external access. While primarily intended as an educational resource on security awareness, it highlights the risks of exposing geolocation data online. Its simplicity and effectiveness have made it a popular project in cybersecurity learning circles.

OpenLayers makes it easy to put a dynamic map in any web page. It can display map tiles, vector data and markers loaded from any source. OpenLayers has been developed to further the use of geographic information of all kinds. It is completely free, Open Source JavaScript, released under the 2-clause BSD License (also known as the FreeBSD). Pull tiles from OSM, Bing, MapBox, Stamen, and any other XYZ source you can find. OGC mapping services and untiled layers also supported. Render vector data from GeoJSON, TopoJSON, KML, GML, Mapbox vector tiles, and other formats. Leverages Canvas 2D, WebGL, and all the latest greatness from HTML5. Mobile support out of the box. Build lightweight custom profiles with just the components you need. Style your map controls with straight-forward CSS. Hook into different levels of the API or use 3rd party libraries to customize and extend functionality.

Leaflet is a leading open source JavaScript library for creating interactive, mobile-friendly maps. Leaflet is light at just about 38 KB, but is already fully equipped with all the mapping features you could need. Leaflet is simple but efficient. It doesn’t try to do everything for everybody, rather it focuses on making the basic things work perfectly. It comes ready with exceptional layering tools, customization features such as pure CSS3 popups and controls, map controls and more right out of the box, and works on all major desktop and mobile platforms. Leaflet also comes with a range of interaction features, and can be extended with an abundance of great plugins.

A web based Metadata Catalog Server for data description and discovery. Supports both generic and geospatial data discovery. It implements international standards (e.g. ISO19115/19139/19119, ISO19115-3, DCAT-AP, CSW 2.0, OGC API Records). It originates from the United Nations and is used by many governments as geoportal software. Active development and discussion takes place on GitHub and OSGeo Discourse. You can also connect directly with the companies supporting the development. Source code available on github https://github.com/geonetwork/

OpenSeaMap's goal is to add nautical and tourism information a sailor could be interested in to OSM (OpenStreetMap) and to present it in a pleasing way. Those include beacons, buoys and other seamark and port information.

Open Nautical Charts offers free seacharts for everybody. This charts are usable (offline) with several ship-plotters and Navigation-equipement on board. kap, Png, Jpr, png-cal, For user with Open CPN or SeaClear and other.

Geoportal Server is a standards-based, open source product that enables discovery and use of geospatial resources including data and services.

OpenGTS (Open Source GPS Tracking System) is a full featured web-based GPS tracking system for your fleet of vehicles. It supports OpenLayers and other map providers, detail/summary Reporting, and various GPS tracking devices.

A node.js based Vector Tile to Braille and ASCII renderer for xterm-compatible terminals. If you're on Windows, use the open source telnet client PuTTY to connect. Use your mouse to drag and zoom in and out! Discover points of interest around any given location. Highly customizable layer styling with Mapbox Styles support. Connect to any public or private vector tile server. Or just use the supplied and optimized OSM2VectorTiles based one. Work offline and discover local VectorTile/MBTiles. Compatible with most Linux and OSX terminals. Highly optimized algorithms for a smooth experience. 100% pure JavaScript! Arrows up, down, left, right to scroll around. Press a or z to zoom in and out. Press c to switch to block character mode, and press q to quit. If your terminal supports mouse events you can drag the map and use your scroll wheel to zoom in and out.

Mapbox GL JS is a JavaScript library that uses WebGL to render interactive maps from vector tiles and Mapbox styles. It is part of the Mapbox GL ecosystem, which includes Mapbox Mobile, a compatible renderer written in C++ with bindings for desktop and mobile platforms. Mapbox GL JS is part of the cross-platform Mapbox GL ecosystem, which also includes compatible native SDKs for applications on Android, iOS, macOS, Qt, and React Native. Mapbox provides building blocks to add location features like maps, search, and navigation into any experience you create. To get started with GL JS or any of our other building blocks, sign up for a Mapbox account. In addition to GL JS, this repository contains code, issues, and test fixtures that are common to both GL JS and the native SDKs. Mapbox GL JS v2 enables 3D mapping with elevated terrain, customizable skies and atmospheric lighting, a new camera, and performance enhancements.

A PHP and JavaScript Web mapping framework and demo application for MapServer (see http://mapserver.gis.umn.edu) based on MapScript/PHP.

Search for local businesses and services, view maps, and calculate driving directions on Google Maps. Now avaible at Windows app.

GeoKettle is a powerful, metadata-driven spatial ETL (Extract, Transform and Load) tool dedicated to the integration of different data sources for building and updating geospatial databases, data warehouses and services.

Musmap is a web interface to UMN mapserver. It provides users and profiles management, advanced queries and selections, automatic decodification of columns with joins, easy-to-use configuration (colors, ...)... and so on.

Geomajas is a web mapping GIS software with full vectorial editing capabilities, and support for custom attribute relation models in the browser. It has built-in support for any type of query, selection, filtering, snapping, printing, ...

A collection of Dokuwiki plugins that will enable the user to spatially enable and use the wiki, currently we have: openlayersmap (a map), geotag (ways of geotagging a page)

This project provides and open source implementation of HELD and related specifications. A HELD client and Location Information Server are included.

kmlshare is a google maps api based website software. Users can upload kml files to the site, which is parsed and placemarks are stored in database, making the content browsable and searchable. View demo at http://www.vansham.com/janaagraha/

Browse maps with differents views. Search a place, use satellite view, street view, dark and bright view.

MappingWidgets is a framework for making clients to OGC/OpenGIS web mapping servers (WMS) using PHP, JavaScript, and Smarty. Standard web mapping / geographic functions are supported, e.g. overview, legend. It is used for the Drupal (CMS) Carto module.

A webtool for publishing mapinfo MIF files with attributes to the web, based on html, php, vml, jvascript and mysql database.

Project consist of 2 parts. One of them is a J2ME app. used to get information such as photo, position, speed & course from GPS and transfers it to the web server. Another one is a web app. which allows to manage and display received data using GoogleMap

A Java servlet & JSP web mapping frontend for ESRI ArcIMS maps. This project is an alternative to the standard ArcIMS HTML viewer, featuring a cleaner interface, better measuring, and pdf export capabilities.

AppForMap is a collection of PHP modules for web mapping. The project comprises both clients and server for dealing with simple features, GML, WKT, WMS, WFS, PostGIS databases etc. It can also act as a backend for an OpenLayers frontend.