Magpie - a magnon calculator. This project comprises: A linear-spin wave library and graphical user interface. Takin extension modules concerning mainly magnetic and polarised scattering. Documentation Magpie is documented in the Takin Wiki. Project history Forked from Takin on 28 February 2025. Forked from IN20Tools on 20 June 2019. Initially forked from Magtools on 8 November 2018.