human technology:

ships:
class 1:
mosquito
commando-fighter
kamikaze
prophet
bounty hunter
class 2:
campaign ship
pirate ship
armored corvette
scout
retraitor
com-invader
class 3:
armageddon device
warcruiser
apollo cruiser
dreadnought
class 4:
lowrider
pirate flagship

they can also research the technology of the e-rays and the nanites, but with a longer researchtime.

view tech-tree of this race