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.
IcoFX - IcoFX is an all-in-one solution for icon creation, extraction and editing.
QGIS - QGIS is a desktop geographic information system, or GIS.
IconsExtract - Extract icons and cursors stored in EXE, DLL, OCX, CPL files
OpenStreetMap - OpenStreetMap is a map of the world, created by people like you and free to use under an open license.
JDraw - Open Source SF.net