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

Global Mapper (64-Bit)
Trial versionWork with various maps and perform feathering, spectral analysis and contrast adjustment.
Windows
QGIS (64-bit)
FreeCreate, edit, visualize, analyze and publish geospatial information.
Windows
Global Mapper
Trial versionWork with various maps and perform feathering, spectral analysis and contrast adjustment.
Windows
TLE Analyser
FreeAnalyze and convert TLE and track satellite.
Windows
KML Buffer Tool
FreeCreate custom buffer around points, lines, and polygons of a KML file.
Windows
Eye4Software Coordinate Calculator
Trial versionPerform transformations between different map datum and projections.
Windows
3DFieldPro (64-bit)
Trial versionConvert your data into contour maps on PC.
Windows
QuikGrid
FreeSimple surface mapping from XYZ data
Windows