Educational open source tool for the design of geocentric orbits
...The developers of Orbit Wizard are Álvaro Romero Calvo and Fernando Soler Lanagrán. Orbit Wizard is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License v2.0
External references:
M_Map: https://www.eoas.ubc.ca/~rich/map.html
Wikimedia: https://upload.wikimedia.org/wikipedia/commons/thumb/c/cd/Land_ocean_ice_2048.jpg/1024px-Land_ocean_ice_2048.jpg
JOELib/JOELib2 is a cheminformatics library which supports SMARTS substructure search, descriptor calculation, processing/filtering pipes, conversion of file formats, 100% pure Java, and interfaces to external programs (e.g. Ghemical) are available.