There are 2 repositories under nmea-protocol topic.
a library for MARitime NAVigation
Python library for parsing and generating NMEA 0183 GNSS/GPS protocol messages.
A GPS framework for .Net, including device detection, diagnostics, emulators, and a NMEA protocol interpreter
Location Tracking Application on SAMR34 using a UBLOX GPS Module (LEA-6S)
The NMEA simulator is based on NMEA 0183 is a combined electrical and data specification for communication between marine electronics such as echo sounder, sonars, anemometer, gyrocompass, autopilot, GPS.
A handy(hacky) utility for configuring ublox GNSS modules
Embedded NMEA 0183 Parser is a C library designed for processing NMEA 0183 sentences on embedded devices.