I already have:
Dune
Foundation
Leviathan wakes
Neuromancer
Blindsight by Peter Watts
Children of Time trilogy by Adrian Tchaikovsky
"Three worlds collide" by Eliezer Yudkowsky. First contact with aliens, moral relativism, game theory, and a hilarious cameo by prediction markets. Available here.
More recent suggestions:
The Three-Body Problem": A secret military project in China makes contact with an alien civilization, leading to unforeseen consequences and a global scientific investigation.
"The Dark Forest": Facing the threat of an alien invasion, humanity scrambles to understand the universe's cosmic principles and develop strategies for survival.
"Death's End": Set in a distant future, the final book explores humanity's place in the universe, advanced technologies, and multi-dimensional challenges.
Looking at your list I can suggest a few more:
- "Snow Crash" by Neal Stephenson - An influential cyberpunk novel with a unique take on virtual reality.
- "Hyperion" by Dan Simmons - A sprawling space epic with fantastic world-building and multiple perspectives.
- "Do Androids Dream of Electric Sheep?" by Philip K. Dick - The book that inspired the movie Blade Runner, exploring themes of artificial intelligence.
- "The Left Hand of Darkness" by Ursula K. Le Guin - A thought-provoking novel that explores gender and society on an alien planet.