StarMade

A voxel-based 3D sandbox, set in the never-ending darkness of space. Create your own ships, explore new galaxies, stars and planets. Discover and salvage space stations, fight against pirates or opposing factions in multiplayer. Equip your ships with completely customisable weapons and conquer the galaxy. Trade and make a fortune, mass produce materials in gigantic factories. Design your very own space station. Create warp gates and network the universe at your front door.
The universe is a vast, mystical, beautiful, awe-inspiring place.... the universe is yours.
Built for scale to facilitate huge fully interactive objects, almost anything is possible. Various gameplay elements have been skillfully constructed to bring the ultimate sandbox space experience.
Dive into your own unique universe, and choose your path.
Key Features:

• Massive procedurally generated sandbox universes
  
• Developed for scalability
  
• Multiplayer (dedicated servers)
  
• Platform independent (Windows, Linux, Mac)