Various types of map projections have been known to be used within the GIS community, two that have been used are the Bonne and Hotline projections.
The Bonne Map Projections are an equal-area projection that take the form of a heart-like shape. These are more popular to those who need to map out the continents and has both poles conveyed as points. While the middle of the projection is scaled true. It is named after Rigobert Bonne from 1972. https://pro.arcgis.com/en/pro-app/help/mapping/properties/bonne.htm
The Hotine Map Projections are a version of Mercator projection derivative and do not follow the normal north, south orientation. The true directions are not to scale as orientation is off, but the shape of the countries and layout are true to a smaller scale. Since this map gives a flatter, wider view, in a different orientation, it is mostly used for mapping large areas that do not need to follow the north-south direction. It was originally created by Martin Hotine in 1946. https://pro.arcgis.com/en/pro-app/help/mapping/properties/hotine-oblique-mercator.htm
