GPS log file viewer and analyzer with support for GPX, TCX, KML, FIT, IGC, NMEA, SLF, SML, LOC, GPI, GeoJSON and OziExplorer files.
LILYGO LoRa Series examples
Wireshark-style terminal packet analyzer on eBPF/TCX — live packet list, protocol detail tree, section-colorized hex; works on raw-IP tunnel devices
An open-source bike computer with GPS and ANT+ capabilities, based on the Raspberry Pi Zero (W, WH, 2 W) or the Compute Module Zero (CM0). It also includes offline maps and navigation.
Generate personal heatmap from GPX/TCX/FIT/IGC data