Apps similar to Acropora include MagicaVoxel, which is free. Other options are Goxel, 3D-Coat, Vue and meshmixer. You're spoiled for choice with 3D Modelers like Acropora: we list more than 25 alternatives for Windows, Mac, Linux, the web and Android.
3D Slash is the fun way to create 3D models. It's a voxel-based builder for the web and desktop featuring a delightful and easy to use interface with accessible sculpting and painting tools.
Voxelator is based on a simple 3d grid with constant voxel size of 1x1x1. Its core functionality is to add or remove voxels by clicking on existing voxels or the background grid.
With VoxPie creating a 3d model is easier than drawing in MS Paint. Geared towards indie game devs, it lets you easily paint 3d models with a mouse like you paint physical action figures. Create 3d props from existing pixel art, height maps and 2d shapes!
With VoxelMaker you can create 3D models of your own design and then render them with realistic lighting and shadows. Voxel models are made from 3D cubes and create a stylized, "blocky" look - much like a 3D version of pixel art.
TerraForge3D is a Free And Opensource Procedural Terrain And Modelling Tool. This is a free alternative to paid software's like Gaea or World Machine. This has everything you need to make any of terrain you want to. This is very easy to learn and use.
