Mapbox - An open source mapping platform for custom designed maps. Our APIs and SDKs are the building blocks to integrate location into any mobile or web app.
Krita - Krita is a professional FREE and open source painting program. It is made by artists that want to seaffordable art tools for everyone. Concept art. texture and matte painters, illustrations and comics.
QGIS - QGIS is a desktop geographic information system, or GIS.
Autodesk SketchBook - SketchBook drawing and painting software provides designers, architects, and concept artists the tools to sketch ideas quickly and create beautiful illustrations.
OpenStreetMap - OpenStreetMap is a map of the world, created by people like you and free to use under an open license.
Clip Studio Paint - The artist's software for drawing and painting.