IGMAS+ is a software for 3-D modelling of potential fields and its derivatives under the condition of constraining data and independent information. It comes with tools for forward and inverse modelling. IGMAS+ has a long history starting 1988 and has seen continuous improvement since then with input by many contributors.
The official webpage of IGMAS+ is:
https://www.gfz-potsdam.de/igmas.
Each major version of IGMAS+ will be assigned with a new DOI. Intermediate releases including changelog can be found at
https://git.gfz-potsdam.de/igmas/igmas-releases/-/releases/.