You could have downloaded vSTARS 1.2 from our software library for free. This free program was originally designed by Metacraft. VSTARS is included in Education Tools. The vSTARS installer is commonly called vSTARS.exe. The latest version of vSTARS can be installed on PCs running Windows XP/7/8/10/11, 32-bit. The most popular version among vSTARS users is 1.0.
From the developer:
vSTARS is an air traffic control radar simulation program for use on the VATSIM network. It is a high-fidelity simulation of the real ATC system used in many approach control facilities in the United States.
vSTARS aims to be a high-fidelity simulation of the real-world STARS system.
You may want to check out more software, such as Trachtenberg Speed Math, wxMaxima or Archimedes Geo3D, which might be related to vSTARS.