Remere's Map Editor is a map editor coded in C++ for the OpenTibia Project.
Performance Products Ltd.
Update the preloaded maps on SD cards of Snooper devices.
Download online maps as tiles and convert them to high-quality image files.
Open Source Geospatial Foundation
MapGuide Open Source is a platform for developing web mapping applications.
It is an advanced address book program for managing contacts.
Creates mind maps based on rich examples and templates.
Jackie Ng, Kenneth Skovhede
MapGuide Maestro is an open source map authoring tool for MapGuide.
TEdit is a stand alone, open source map editor for Terraria.
It enables you to open Web Map Context (WMC) files directly in ArcMap.
D2D Map Editor
D2D Map Editor is an open source project written in C#.
Aciqra is an open source virtual sky map and planetarium.
Map any your currently open Visual Studio code files.
qMetro is an open source vector metro (subway) map for calculating routes.