Goxel: Free and Open Source 3D Voxel Editor
翻译 - Goxel：免费和开源3D Voxel编辑器
Common Lisp Voxel Game Engine
A highly flexible, voxel-powered game engine with an embedded editor. Create games using Lua, the native C/C++ API, and assets authored in voxel editors like MagicaVoxel or Avoyd.
Intuitive open source voxel editor; for both small and big ideas!
A curated list of awesome opensource voxel tools, libraries, games, and other cool stuffs
Free voxel models for Avoyd Voxel Editor: make voxel art, export to 3D mesh etc. All downloadable assets are licensed under CC BY 4.0.
A Cool Voxel Editor Based on OpenGL 3.3+ !
Native Linux / SDL2 Voxel Editor.
A free & open-source Voxel editor, made with the Godot Engine!
Personal resources for voxel work: instructions, tutorials, and assets
Voxel editor for Minecraft, inspired by World Edit.
Open-source voxel game base C# specification
Code of voxel section editor (A tool for creating 3d model for C&C:TS and Red Alert 2) fork from SVN of ppmforum.
This is an early version of the online edition of Alexander S. Brunner's Minecraft model editor that I've managed to pull from the Wayback Machine. It doesn't really work right now.