Yor technology tree

Propagation Tree

 * Collective Manufacturing - Contains manufacturing and research improvements and starbase modules
 * Power Matrix - Contains empire-wide population cap and adjacency bonuses and population cap improvements
 * Planet Utilization - Contains population cap improvements, terraforming, mining, and colonization technologies

Engineering Tree

 * Ion Drive - Engine modules and ship speed modules
 * Interstellar Survey - Precursor artifact bonus, targeting, and sensor techs
 * Zero Gravity Construction - Ship hull unlocks, repair systems, and carrier techs
 * Interstellar Logistics - Contains logistics and range technologies

Warfare Tree

 * Weapon Systems - Standard Weapons
 * Militarization - Planetary Invasions/Fortification
 * Defense Systems - Standard Defenses

Interaction Tree

 * Interstellar Governance - Different percentile bonuses based on specialization choice
 * Diplomacy - Contains different diplomacy options and bonuses
 * Cultural Influence - Influence improvements, starbase modules, and bonuses
 * Economic Efficiency - Income and a few influence techs
 * Interstellar Trade - Trade bonuses and improvements
 * Xeno Entertainment - Approval and Tourism bonuses and improvements