Sorry if someone has already suggested some of these, ngl I did not read all 16 pages of suggestions. As far as I know, these are all original ideas.
Schadenfreude: recovers +5-10 morale when enemy dies during crew combat. -1 Charisma
Psychotic: recovers +10-15 morale and +5-10 HP when a member from your combat crew dies. -3 Charisma +1 quickness
Zendu heritage: +4 Wisdom, +10% profit when completing missions of diplomatic nature
Brawler: +10% melee damage and dodge, +2 strength
Natural leader: +2 Charisma and wisdom, is able to train commander specific talents
Keen eye: +10% to total cargo carried by merchants when encountering them, -2% ship encounters
Cold blooded: +20% all accuracy, +5% critical, -1 charisma
Insane: +10% all damage, +20 bio-poison damage, -20 bio-poison resist, -2 initiative and charisma
Slice and dice: Must equip a blade weapon (pistol and blade ok), +15% melee damage and armor piercing, +1 initiative
Talented: +1 talent point, +10% accuracy and dodge
Skillful: +2 skill points, +10% craft evasion and hit chance
Strong: +2 strength and fortitude, +20% debuff resist
Quick: +20% dodge, +2 initiative and quickness
Second wind: Upon receiving fatal damage in crew combat, get back into the action at 25 + (resilience x 2) HP and 25 + (wisdom x 1) morale with a bonus 25% resistance to debuffs. 33% chance to lose trait after use. 100% chance to activate and does not trigger a death save roll.
Resourceful engineer: (only obtainable if engineer, mechanic, or wing-tech) passively repairs 20 ship hull and 1-10% on a random component per turn during ship combat
Mitigating command: +10% protection against crew morale loss and damage
Stressed: halfs all positive morale gains, double chance to desert at low morale. 5% chance to lose trait when receiving spice
Elegant: +15% dodge and armor piercing, +2 charisma