This page is meant to list all of the open source and open hardware GNSS (Global Navigation Satellite System) projects. Although most projects currently focus on GPS, we welcome Galileo and GLONASS projects as well! Note that the Open GNSS community has a community forum mailing list. You can subscribe here.
Software for ASIC Correlators
Soft Correlator (FPGA-based correlator) receiver links
Software-defined radio (SDR, or just "software") receivers
GNSS Processing Software
GNSS Simulation Software