Overview of GNSS SDRs Discussed in Section 3
| Name | Main language | Open source | Main focus |
|---|---|---|---|
| GRID | C++ | No | Real-time operation of advanced algorithms on embedded devices |
| MuSNAT | C++ | No | Analysis of navigation signal processing and algorithm prototyping |
| SoftGPS | MATLAB | Yes | Suite of GNSS SDRs with widespread use and accompanying book |
| FGI-GSRx | MATLAB | Yes | Multi-GNSS SDR with accompanying book |
| GNSS-SDR | C++ | Yes | Real-time SDR with modular structure and widespread use |
| AutoNav SDR | MATLAB | No | Support for KPS development, API, and GPU |
| PyChips | Python | No | Multi-GNSS and optimized for use in teaching classes |
| UAB Snapshot GNSS Receiver | MATLAB | No | Snapshot receiver that can be operated in the cloud |
| NGene | ANSI C | No | Efficient GNSS SDR used in numerous Galileo-related projects |
| MATRIX | MATLAB, C++ | No | Combined processing of GNSS with cellular 3G/4G/5G and LEO (Starlink, OneWeb, Orbcomm, Iridium, and Globalstar) signals |