Neil Modular Tracker is a Free Software project to create a functional Jeskola Buzz clone for Linux, based on an earlier, currently unmaintained program called Aldrin. Maintained by Vytautas Jančauskas, it has ongoing activity as of 2011. The name is a wordplay on Buzz Aldrin and Neil Armstrong.The program is written in C++ and utilizes a Python-controlled interface. A Python module chooser is included.