Fiona is GDAL’s neat and nimble vector API for Python programmers. Fiona is designed to be simple and dependable. It focuses on reading and writing data in standard Python IO style and relies upon familiar Python types and protocols such as files, dictionaries, mappings, and iterators instead of classes specific to OGR. Fiona can read and write real-world data using multi-layered GIS formats and zipped virtual file systems and integrates readily with other Python GIS packages such as pyproj, Rtree, and Shapely.

The SPLAT (Signal Propagation, Loss, And Terrain) program can use the Longley-Rice path loss and coverage prediction using the Irregular Terrain Model to predict the behaviour and reliability of radio links, and to predict path loss.

GEOS provides a spatial object model and fundamental geometric functions. It is a C++ port of the Java Topology Suite (JTS). As such, it aims to contain the complete functionality of JTS in C++. This includes all the OpenGIS Simple Features for SQL spatial predicate functions and spatial operators, as well as specific JTS enhanced topology functions.

Proj is a generic coordinate transformation software that transforms geospatial coordinates from one CRS to another. This includes cartographic projections as well as geodetic transformations. Proj includes command line applications for easy conversion of coordinates from text files or directly from user input. In addition, Proj also exposes an application programming interface that lets developers use the functionality of Proj in their own software.

JMapViewer is a Java component which easily integrates an OSM map view into your Java application. It is maintained as an independent project by the JOSM team.

This is a python implementation of the geodesic routines in GeographicLib.

The miniSEED library provides a framework for manipulation of SEED data records, a format for commonly used for seismological time series and related data. The library includes the functionality to read and write data records, in addition to reconstructing time series from multiple records.

ecCodes is a package developed by ECMWF which provides an application programming interface and a set of tools for decoding and encoding messages in the WMO FM-92 GRIB, WMO FM-94 BUFR and WMO GTS abbreviated header formats.

H3 is a geospatial indexing system using a hexagonal grid that can be (approximately) subdivided into finer and finer hexagonal grids, combining the benefits of a hexagonal grid with S2's hierarchical subdivisions.

OpenOrienteering Mapper is a software for creating maps for the orienteering sport.

The libE57Format package provides a C++ library for reading and writing files in the ASTM-standard E57 format. E57 files store 3D point cloud data (produced by 3D imaging systems such as laser scanners), attributes associated with 3D point data (color and intensity), and 2D images (photos taken using a 3D imaging system).

Osm2pgsql is a tool for loading OpenStreetMap data into a PostgreSQL / PostGIS database suitable for applications like rendering into a map, geocoding with Nominatim, or general analysis.

GNU Gettext is a package providing a framework for translating the textual output of programs into multiple languages. It provides translators with the means to create message catalogs, and a runtime library to load translated messages from the catalogs. Nearly all GNU packages use Gettext.

GNU Gettext is a package providing a framework for translating the textual output of programs into multiple languages. It provides translators with the means to create message catalogs, and a runtime library to load translated messages from the catalogs. Nearly all GNU packages use Gettext.

The po4a (PO for anything) project goal is to ease translations (and more interestingly, the maintenance of translations) using gettext tools on areas where they were not expected like documentation.

GNU Gettext is a package providing a framework for translating the textual output of programs into multiple languages. It provides translators with the means to create message catalogs, and a runtime library to load translated messages from the catalogs. Nearly all GNU packages use Gettext.

The po4a (PO for anything) project goal is to ease translations (and more interestingly, the maintenance of translations) using gettext tools on areas where they were not expected like documentation.

The mdpo utility creates pofiles, the format stabilished by GNU Gettext, from Markdown files.

GNU libtextstyle is a C library that provides an easy way to add styling to programs that produce output to a console or terminal emulator window. It allows applications to emit text annotated with styling information, such as color, font attributes (weight, posture), or underlining.

Ghostscript is an interpreter for the PostScript language and the PDF file format. It also includes a C library that implements the graphics capabilities of the PostScript language. It supports a wide variety of output file formats and printers.

Little CMS is a small-footprint colour management engine, with special focus on accuracy and performance. It uses the International Color Consortium standard (ICC), approved as ISO 15076-1.

Ghostscript fonts provides fonts and font metrics customarily distributed with Ghostscript. It currently includes the 35 standard PostScript fonts.

The paper library and accompanying files are intended to provide a simple way for applications to take actions based on a system- or user-specified paper size.

Ghostscript is an interpreter for the PostScript language and the PDF file format. It also includes a C library that implements the graphics capabilities of the PostScript language. It supports a wide variety of output file formats and printers.