Vroid - A free 3D character modeller
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
SEA3D - An open-source format and tools for game developers 🎮 http://sunag.github.io/sea3d/
DAZ 3D - Daz 3D, 3D Models, 3D Animation, 3D Software
Autodesk FBX Review - FBX Review is a lightweight, standalone software tool for viewing 3D assets and baked animations...
Character Creator 3 - Character Creator 3 is a full character creation solution.