GPXSee

GPXSee is a Qt-based GPS log file viewer and analyzer that supports all common GPS log file formats.

Features

Opens GPX, TCX, FIT, KML, NMEA, IGC, CUP, SIGMA SLF, Suunto SML, LOC, GeoJSON, OziExplorer (PLT, RTE, WPT), Garmin GPI&CSV, TomTom OV2&ITN, ONmove OMD/GHP and geotagged JPEG files.
User-definable online maps (OpenStreetMap/Google tiles, WMTS, WMS, TMS, QuadTiles).
Offline maps (MBTiles, OziExplorer maps, TrekBuddy maps/atlases, Garmin IMG/GMAP & JNX maps, TwoNav RMaps, GeoTIFF images, BSB charts, KMZ maps, AlpineQuest maps, Locus/OsmAnd/RMaps SQLite maps, Mapsforge vector maps, ESRI World-File georeferenced images).
Elevation, speed, heart rate, cadence, power, temperature and gear ratio/shifts graphs.
Support for DEM files (SRTM HGT).
Support for multiple tracks in one view.
Support for POI files.
Print/export to PDF/PNG.
Full-screen mode.
HiDPI/Retina displays & maps support.
Native GUI for Windows, Mac OS X and Linux.

Build requirements:

Qt5 >= 5.11 or Qt 6.x
C++11 or newer compiler (tested: msvc2017, gcc 7.5.0, clang/Apple LLVM version 10.0.0)

Build steps:

lrelease gpxsee.pro
qmake gpxsee.pro
make # nmake on windows

GPXSee uses Weblate for translations.

GPXSee is licensed under GPL-3.0 (only). However, some 3rd party parts are using different, GPL compatible, licenses: