- GDAL (python) - this is the pypi library for GDAL (C/C++), a translator library for raster and vector geospatial data formats
- PDAL (python) - this is the pypi library for PDAL (C/C++), a library for translating and manipulating point cloud data. It is very much like the GDAL library which handles raster and vector data.
- ausseabed/pyall (python) - an ausseabed native python reader for Kongsberg ALL file format (note that this is a maintained fork of pktrigg/pyall)
- valschmidt/kmall (python) - a native python reader for Kongsberg KMALL file format (note that there is also a fork ausseabed/kmall maintained by ausseabed)
- pyxtf (python) - A python library for reading and writing eXtended Triton Format (XTF) files
- hyo2_bag (python) - a HydrOffice library for the BAG format
- hyo2_soundspeed (python) - a HydrOffice library to read, write, and manage sound speed profiles from a diverse set of formats
- gpsparser (python) - a Python GPS NMEA string parsing module.
- gsfpy (python) - Python wrapper for the C implementation of the Generic Sensor Format library.
- pandas (python) - pandas is a fast, powerful, flexible and easy to use open source data analysis and manipulation tool for python
- MB-System (C/C++) - an open source software package for the processing and display of bathymetry and backscatter imagery data derived from multibeam, interferometry, and sidescan sonars.
- hyo2_kng (python) - a HydrOffice library and apps for Kongsberg Maritime's SIS data interaction
- 7k (C/C++) - Teledyne Marine 7k protocol for marine sensor interfacing
- noaa_coops (python) - Python wrapper for NOAA CO-OPS Tides & Currents Data
- pyBathySfM (python) - python tool for performing bathymetric refraction correction on Structure from Motion datasets.
- pyproj (python) - Python interface to PROJ (cartographic projections and coordinate transformations library)
- enc_dump (python) - A python tool for extracting data from US Electronic Nautical Charts (based on GDAL)