Equipment:
List of components used in habitats, space stations and star vessels
Home-brew component descriptions A
Home-brew component descriptions B
Star ship hulls for Rogue Trader
Weapon, armor and upgrades and bestiary index
Home-brew equipment, encounters and other stuff for Rogue Trader
Equipment index (Rogue Trader+Inquisitor’s handbook+DH2)
Additional rules:
Abhuman, xenos character paths, additional levels for RT basic character and other stuff
Nuclear Warfare and Post-nuclear Survival in the 41st Millenium
The Imperium of Man:
The Regimental Standard for Imperial Guardsmen
Creation tables for Imperial/xeno troops and other
Random generators:
General citizen demeanor generator
Warhammer 40K name generator 1
Warhammer 40K name generator 2
Star vessel, star system, primitive species, xenos, treasure generator for Rogue Trader
Ultimate collection of random generators for multiple topics
Artwork:
Large collection of futuristic scenes
Wiki:
Warhammer 40K lexicanum
Warhammer 40K wiki – Fandom
Websites containing Rogue trader/Dark Heresy campaigns and fluff:
Books:
Rogue Trader books as PDF available online