There are 2 repositories under glonass topic.
A driving dataset for the development and validation of fused pose estimators and mapping algorithms
OpenTracker - open source GPS/GLONASS hardware
Python software for multipath analysis of GNSS observations
A compact Arduino library to parse NMEA sentences.
NMEA 0183 - for communication between marine electronics such as echo sounder, sonars, anemometer, gyrocompass, autopilot, GNSS receivers and many other types of instruments. Defined and controlled by the National Marine Electronics Association (NMEA)
A collection of awesome GNSS/RNSS related sources, tools, data, MOOC's course, etc.
Python tools to read and process RINEX, SP3 etc. files, for GNSS management and orbit corrections.
GNSS Information dashboard for OpenWrt LuCi
Encoding/decoding of RTCM v. 3
Arduino library for interfacing with any GPS, GLONASS, Galileo or GNSS module and interpreting its NMEA messages.
CGGTTS for remote clock comparison :satellite: :artificial_satellite:
Document about design of a GNSS receiver
Parser for rinex files version 3.03 written on .net 3.5
JSON serialization/deserialization of RTCM v. 3
倍思(BAS, BDS Augmentation Service)北斗增强服务系统/网络RTK系统,能满足大规模基站及用户接入,可提供连续实时稳定的厘米级差分定位服务,达到业内领先水平。www.gaoweispace.com
NMEA 0183 is a combined electrical and data specification for communication between marine electronics such as echo sounder, sonars, anemometer, gyrocompass, autopilot, GPS receivers and many other types of instruments
Decoder for GNSS Navigation messages
iOS app for creating / viewing / exporting GPX tracks
Arduino library for Deneyap GPS and GLONASS Locator
MicroPython I2C driver for Quectel GNSS L76-L (GPS)
Web Application for calculating transition parameters from local coordinate systems to WGS84 with geodetic accuracy for geodesy and GIS
Khronos GNSS Frequency Standand & NTP Server
Wideband front-end digitizer for GPS, GLONASS, Galileo, BeiDou