GeoJSON.io is described as 'We are trying to make it easier to draw, change, and publish maps. Geojson.io allows users to collaborate, edit and share geospatial data all through your browser' and is an website. There are 2 alternatives to GeoJSON.io, not only websites but also apps for. The best GeoJSON.io alternative is MapDraw, which is both free and Open Source.
Free online tool for drawing, viewing, and editing GPS tracks and routes, supporting GPX, KML, KMZ, and GeoJSON files with interactive routing, elevation profiles, file import and export, custom styling, Strava integration, and multi-layer map management.
The Geoman GeoJSON editor is a quick and simple but powerful tool for creating, viewing, editing and sharing your geospatial data. Edit your data through the code editor or directly on the map and copy or download valid GeoJSON after you're done.
