Armory is an open-source 3D game engine with full Blender integration, turning it into a complete game development tool. The result is a unified workflow from start to finish, making you work faster. No more jumping between different applications.
Free open-source 3D software for modeling, texturing, rigging, animation, rendering, compositing, video editing, and simulation.
Interactive open source tool for creating fully customizable 3D human characters, supporting real-time editing, advanced posing, and export to major animation platforms.
MB-Lab is a 
Blender addon that creates humanoid characters. It's a community developed and supported project based on the original 
ManuelbastioniLAB.
