For balance purposes, there are a few things that are not allowed and some things that are restricted.

Allowed:
Plasma weaponry
Kinetic weaponry
Laser weaponry (Vehicles or higher)
Stealth systems (On ships, makes it harder to detect with sensors)
Vibroblades (blade vibrates to cut through more solid surfaces.)
Hyperdrives
Holographic projectors (Holoprojectors)
Virtual Intelligence (VI) (Step below AI)
FTL Comms (There’s still a delay after a light year)
Atmospheric craft
Ground craft
Neural links to vehicles
Powered armor (Up to Level 3)

Restricted (Meaning you have to be affiliated with the proper people to have access to it.)
Artificial Intelligence (Solarian Empire)
Military-grade vibroblades (Military affiliation)
Level 4 power armor (Solarian or Allied military affiliation. This will eventually change)

Prohibited (Exceptions will not be made):
Lightsabers
Teleportation between two points
Instantaneous travel
Cloaking (Turning yourself invisible)
Instantaneous communication across vast distances
Instantaneous sensor range beyond 800 light-minutes ( 9.46 trillion km or the size of a large star system i.g. Sol)
Infinite sources of power
Magic
Cloning*
Psychic abilities*
Time Travel
Transference*

This list will be updated as need be. Please ask an admin about a piece of technology you do not see up here. 9/10, we’ll allow it.

*Involved in a future Arc and will be removed from the prohibited list following that particular Arc