Our great sponsors
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OpenRailwayMap
An OpenStreetMap-based project for creating a map of the world's railway infrastructure.
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SurveyJS
Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.
https://github.com/alyssaxuu/mapus - tool to explore and annotate collaboratively on a map. You can draw, add markers, lines, areas, find places to go, observe other users, and much more.
https://www.openrailwaymap.org - Open Streetmap - based project for creating a map of the world's railway infrastructure.
https://anvaka.github.io/city-roads/ - Draw all roads in any city at once.