There are 5 repositories under nmea topic.
NMEA and ublox GPS parser for Arduino, configurable to use as few as 10 bytes of RAM
Python Graphical GPS Client Application supporting NMEA, UBX, RTCM3, NTRIP & SPARTN Protocols
AIS receiver for RTL SDR dongles, Airspy R2, Airspy Mini, Airspy HF+, HackRF, SDRplay and SoapySDR
Java Marine API - NMEA 0183 library for Java
With BBN OS you can build a central boat computer. BBN OS is free and open source. It is based on commonly used community supported open source projects such as SignalK, PyPilot, OpenCPN, and others. BBN OS graphical user interface will let you build a cockpit front-end to all functionality of the OS from chartplotting, dashboards, weather, etc.
Opensource hardware and software solutions for sailing and sailboats
.NET Standard, high performance, zero allocation AIS decoder, which can process millions of AIVDM/AIVDO sentences per second on a single core. Sponsored by endjin
A compact Arduino library to parse NMEA sentences.
a library for MARitime NAVigation
Utilities for Raspberry Pi, mostly for usage on a boat. Includes UART control scripts, traffic measurement tools for Mikrotik (RouterOS) and OpenWrt, AIS wireless daemon, AIS decoder and an extensible boat & IoT sensor daemon for Signal K.
Python library for parsing/generating u-blox UBX protocol messages, and for creating parsers/generators in other languages.
OpenDLV - A modern microservice-based software ecosystem powered by libcluon to make vehicles autonomous.
USB GPS Provider for android :artificial_satellite:. A maintained fork of hvb/USBGps4Droid
Python library for parsing and generating NMEA 0183 GNSS/GPS protocol messages.
An open source trolling motor. Features Hold heading, Hold Position, AutoPilot (NMEA APB & GPX). It still needs a lot of work but it's functional.
Python GNSS CLI utility library for reading, parsing and broadcasting NMEA, UBX, RTCM3, NTRIP and SPARTN protocols
Automatic Identification System (ITU-R M.1371-5) packet decoder and encoder written in Go
Motorola MotoTRBO DMR protocols research project.
Rust NMEA 0183 sentence parser for AIS and GNSS messages.
C# decoder for Automatic Identification System (AIS) for tracking ships and decoding maritime information
nmea_msgs is a ROS package containing messages related to the NMEA standard