# Welcome to the Masterportal Documentation

The Masterportal is a web-based GIS application that allows you to display and edit spatial data.
It is based on the Open Source JavaScript library [OpenLayers](https://openlayers.org/) and the [Vue.js](https://vuejs.org/) framework.
The Masterportal is developed under the MIT License by a group of public authorities in Germany. Visit [masterportal.org](https://masterportal.org) for more information.

The map below is a demo of the Masterportal. Members of the Masterportal community are highlighted.
<iframe width="100%" height="900px" src="https://geoportal-hamburg.de/masterportal-community/" class=""></iframe>
