Top 8 Map Software apps that are similar to Garmin Express for Windows

Global Mapper (64-bit)
Trial versionA comprehensive GIS tool for data visualization
Windows
QGIS (64-bit)
FreeGeospatial data management
Windows
Global Mapper
Trial versionGlobal Mapper: Powerful GIS Tool for Map Analysis
Windows
QGIS (32-bit)
FreeQGIS: Powerful Open Source Geospatial Tool
Windows
QuikGrid
FreeSimple surface mapping from XYZ data
Windows
UTM Coordinate Converter
FreeUTM Coordinate Converter: Versatile Geographic Data Tool
Windows
KML Buffer Tool
FreeKML Buffer Tool: Enhance Your GIS Files Simply
Windows
Lat Long Converter
FreeSimple Coordinate Converter for GPS Users
Windows