Admirals and Overlords, what shenanigans are you getting up to? 
Apparently Starsector is a hot game now.
Handy Links (might be out of date):
https://libregamewiki.org/Space_simulation_games
http://aurora2.pentarch.org/index.php/board,10.0.html
> X4 Stats Page

https://docs.google.com/spreadsheets/d/e/2PACX-1vTiohWPpzCJWoFUf28gWpZ7TaWi6Y85syx9VOxdsMV2EGcmjXfvtOj8Htev2ebwZ-RUCyP47IOlVVmg/pubhtml
> Elite Dangerous Guide

https://pastebin.com/adu3Fq6x

Pulsar Lost Colony
https://rutracker.org/forum/viewtopic.php?t=4965890

Starsector
https://rutracker.org/forum/viewtopic.php?t=5647859 - Windows
https://rutracker.org/forum/viewtopic.php?t=5353219 - Linux

Star General
http://panzergeneraldownload.com/star-general.html

X4 Foundations
https://rutracker.org/forum/viewtopic.php?t=5652427

Freespace 2
https://mega.nz/#!AWxCkIyA!sLIFvfptmV2TKib4ygwacYSRdApV0pDyMqMvVW2_p5w