Below is a comprehensive tech tree that shows the prerequisites of the various technologies in game. Resistance and operations tech are excluded because they do not have any prerequisites. Unobtainable and illegitimate tech are also excluded.
It is worth noting that while all fusion recipes require Workshop IX, the reusable items themselves do not have any prerequisites.
Last updated: September 2017
Hull Upgrade Tree
Ship Tech Tree
Alien- and Void-type weapons are categorized according to their regular versions. For example, Shatter Driver is a Projectile-type weapon, hence Xeno Shatter Driver also appears in the Projectile weapon tech tree.
The Alien-type weapon(s) without a regular version are listed here with their prerequisites: