Perks

Utility:
Oxygen Filter Springy Step  Welder

Defense:
Antibodies Magnetic Boots  Blast Shield

Security:
VIP Keycard Brawny  Nimble

Mutations:
Fresh Meat Acid Monster  Void Beast  Crumerian Host  Corpse Lord

Aggression:
Nocturnal Claws Upon Claws  Lockdown

Survival:
Fluid Sac Chitin  Toxic Ink

Stealth:
Patience Membrane  Decoy

Spacemen Perks
Medical Nanobots

Antibodies

Intake Valves

Springy Step

Spare Keycard

Welder

Magnetic Boots

Blast Shield

Janitor

Space Milk

Action Hero

Monster Perks
Chitin Patience  Titanium Claws  Posterior Claws  Decorpsinator  Nictitating Membrane  Nocturnal  Decoy  Acid Monster  Toxic Ink  Void Beast

Pre 1.2 it used to be a 'pick any three' system, meaning you got 3 perks for your spacemen loadout and 3 for monster.