There are 2 repositories under datum topic.
Libraries of geodesy functions implemented in JavaScript
A easy maintain(read/write) language for transform from/to other languages. 下一代企业级编程语言。
A JavaScript port of the Proj.4 map projection library.
Coordinate Reference System Transformations. This is a .NET library implemented with F#, but also usable from C#. Most of the test code is actually written with C#. The third-part libraries used from the F# code may also have been implemented with C#.
Web Application for calculating transition parameters from local coordinate systems to WGS84 with geodetic accuracy for geodesy and GIS
Library to enable interacting with OpenFGA
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.
A simple project that implements coordinate conversion between DD (Decimal Degrees), DMS (Degrees, Minutes, and Seconds), and UTM, using different Datums.
A Zero dependency ITM to WGS84 coordinates converter
A collection of reuseable UI elements built with the Datum data binding library.
BODC parameter semantic model physical entity datum names
Application configuration data merger for Powershell. It provides a file based CMDB, allowing Configuration Items to be grouped into logical domains.
Using Datum to record the transportation of Medicines