Games like SOL: Exodus
Games like SOL: Exodus include Kerbal Space Program, Elite Dangerous, House of the Dying Sun, Deliver Us The Moon, and Between the Stars. We matched them by the tags players give SOL: Exodus on Steam (Indie, Simulation, Action, Space, and Space Sim): closest matches first, and among equally close ones the better-known games.

Kerbal Space Program
Shared: Simulation · Space · Space Sim

Elite Dangerous
Shared: Space · Space Sim · Simulation

House of the Dying Sun
Shared: Simulation · Action · Indie

Deliver Us The Moon
Shared: Indie · Action · Space

Between the Stars
Shared: Space · Action · Simulation

Kinetic Void
Shared: Simulation · Indie · Space

Space Engineers
Shared: Space · Simulation · Indie

Starpoint Gemini 2
Shared: Simulation · Space · Space Sim

EVERSPACE™
Shared: Indie · Space · Action

Starship EVO
Shared: Indie · Simulation · Action

X Rebirth
Shared: Simulation · Space · Action

KovaaK's
Shared: Action · Simulation · Indie

Empyrion - Galactic Survival
Shared: Simulation · Space · Space Sim

Angels Fall First
Shared: Indie · Action · Simulation

EVE Online
Shared: Space Sim · Simulation · Space

X4: Foundations
Shared: Simulation · Space · Space Sim

Drug Dealer Simulator
Shared: Simulation · Indie · Action

Universe Sandbox
Shared: Simulation · Space · Space Sim

Trailmakers
Shared: Space · Action · Indie

Infinity: Battlescape
Shared: Simulation · Action · Indie

Rebel Galaxy
Shared: Space · Action · Simulation

3030 Deathwar Redux - A Space Odyssey
Shared: Indie · Action · Space

Space Pirates And Zombies 2
Shared: Indie · Space · Action

FTL: Faster Than Light
Shared: Space · Indie · Simulation