More like Void Trilogy

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The CultureUniverse
universe21 books1987
Science fiction and space opera, about artificial intelligence, set in far future and galactic scale.
“No money, no laws, no hunger, no death you didn't choose; a galaxy-spanning anarchy of humans and drones administered, gently and with enormous irony, by superintelligent Minds who name their warships things like *Frank Exchange Of Views*.”
from the catalogue
Start with Consider Phlebas →
includes Culture
The Saga of Seven Suns UniverseSeries
series16 books2002
About war.
Start with Hidden Empire →
FoundationUniverse
universe123 books1940
About robots.
“There is a science that reads the future of quadrillions the way an astronomer reads the orbits of stars.”
from the catalogue
Start with Foundation →
includes Trantorian Empire, Foundation, Second Foundation Trilogy, The Collected Fiction of Isaac Asimov, The Positronic Robot Stories, Foundation (Original Stories)
Old Man's WarSeries
series16 books2005
Military science fiction, about war, set in other star systems.
“Sign a document at 65, saying you intend to join up 10 years later.”
from the catalogue
Start with Old Man's War →
Known SpaceUniverse
universe142 books1964
Set in other star systems.
“Give a clever species a few centuries and a working fusion drive, and it will fill the sky with problems.”
from the catalogue
Start with Ringworld →
includes Ringworld, Fleet of Worlds, Man-Kzin Wars
CoDominiumUniverse
universe98 books1971
Military science fiction, set in other star systems.
“The body of work runs along a few hard threads rather than one line.”
from the catalogue
Start with The Mote in God's Eye →
includes Moties, Falkenberg's Legion, Laurie Jo Hansen, War World