Least squares adjustment software

Local gravity field modelling with Python

LitMod2D_2.0 is a tool to unravel the thermal, compositional, density, and seismological structure of the crust and upper mantle (~400 km depth) along cross-sections by integrating geophysical and geochemical dataset in a self-consistence thermodynamic manner.

Use GSI's geoid model of Japan (GSIGEO2011) in Rust, Python and JavaScript — 国土地理院の日本のジオイドモデルを用いてジオイド高を計算する Rust、Python、JavaScript 用ライブラリ

Analysis ready data for gravity observations is a set of Matlab files to calculate gravimetric quasigeoid.

Lightweight great-circle computation & map-projection library

GGMCalc is a program to compute some components of the gravity field, using Global Geopotential Models

EGM96 geoid computation in C++, easy to embed

Fortran codes for numerical integral of terrain Helmert condensation effects on various field elements

Fortran codes for all-element field modelling using SRBFs from heterogeneous observations

Fortran codes for numerical integral of landsea residual terrain effects on various field elements

Python package to handle International Service for the Geoid format files.

Fortran codes for local gravity field approach using SRBFs and its performance test

Earth Gravitational Model (EGM2008)

Least squares adjustment software

Fortran codes for height anomaly computation on or outside geoid using Stokes/Hotine numerical integral

Fortran codes for spherical harmonic synthesis of all-element gravity field from global geopotential coefficient model

GeoidHeight4J is a pure Java library for calculating geoid heights and converting between geoid and ellipsoid. Ported from GeographicLib.

Unit Geometry Library

Global Grid Library