Python bindings for ERFA routines

A Dart library for geodesic and trigonometric calculations working with points and paths

C# .NET Core Google Api (Maps, Places, Roads, Search, Translate). Supports all endpoints and requests / responses.

A small library with structs to represent tiles in rectilinear, hexagonal and other grids; generating mazes and finding paths. Useful for 2D games and puzzles.

Maths and Physics

A Java library for representing latitude, longitude and cardinal points of the compass, and calculating distance and bearing between points

A module used to change the information of user action entered by various input devices such as touch screen or mouse into the logical virtual coordinates.

diagnostic analyses and calculations in contour-based coordinates

rectangular coordinates in a geodesic vertex

Toolkit for apply point transformations for vector.

ProjNet4GeoAPI-For-Unity allows immediate processing of geo-coordinates in the Unity game engine. The package is provided as a Unity package (UPM) and also integrates and relies on the commonly used C# conversion library ProjNet4GeoAPI.

Coordinate Reference System Transformations. This is a "JVM library" implemented with Kotlin, but usable from e.g. Java/Kotlin/Scala/Groovy/Jython/JRuby (see the sample code). Most of the test code is written with Java, and the third-part libraries used from Kotlin are also implemented with Java.

Small tool to coordinate volunteers and meetings — 📆🗃

Web application for amateur astronomers, astrophotographers and other night sky lovers

Detects country by given coordinate

Backend for astro-info web application

Performs astronomical calculations and conversions

get nearby location by coordinate from eloquent laravel

Fill latitude and longitude for a batch of text address

A generated class with lots of Python EPSG constants (used for specifying Coordinate Reference Systems).