Minetest - Minetest is a near-infinite-world block sandbox game and a game engine, inspired by InfiniMiner...
Kaedim - Use the Kaedim Platform to automatically transform your 2D art, sketches and photos in 3D.
Minecraft - A block-building game that allows you to create and explore entire worlds from scratch.
Spline - Design tool for 3d web experiences
Roblox - Reimagining the way people come together.
Vectary - Vectary is a free, online 3D modeling tool and sharing platform.