Top 18 longitude open source projects

Accurately Locate Smartphones using Social Engineering

Open Location Code is a library to generate short codes, called "plus codes", that can be used as digital addresses where street addresses don't exist.

Calculates the sunrise and sunset for a given date and location (using GEO coordinates). This library uses the method outlined NOAA Solar Calculations Day spreadsheet found at http://www.esrl.noaa.gov/gmd/grad/solcalc/calcdetails.html.

Thaddeus Vincenty's Direct and Inverse formulae for geodesic calculations in Excel (distance, azimuth, latitude, longitude).

This Geolocation PHP class connects to Google Maps API to find latitude/longitude or the address.

Perform fast and efficient radius searches on your Laravel Eloquent models.

PHPCoord is a PHP library to aid in handling coordinates. It can convert coordinates for a point from one system to another and also calculate distance between points

Generic component for displaying Yahoo / Google / Bing maps.

An elegant and colorful location information app for Android with Compass, Clock, Level, Sun, Moon, Trail Marker and many other features.

JavaScript implementation of the Haversine formula

Trilateration system using 3 latitude and longitude points, and 3 radius distances in PHP, C#, Java and Javascript

The easy way to get java TimeZone from latitude/longitude

Calculate orbital information of satellites in GoLang.

地理位置解析服务，可供爬虫使用！供参考学习！

Geodesy PHP - Port of some known geodesic/math functions for getting distance from a known point A to a known point B given their coordinates. It also supports conversion between units of length, Polar position to Cartesian coordinates, and different Reference Datums.

定位插件（限中国）

ctt postal codes into MySQL with latitude and longitude from google

Calculates de distance between two geocode points 📌🗺