Tafi is a new tool (currently in beta) to allow you to create a customized VRChat avatar without needing to learn 3D design software, coding, or rigging
Tafi Allows You to Create a Customized VRChat Avatar Without Needing to Learn 3D Design Software, Coding, or Rigging:

https://ryanschultz.com/2019/11/07/tafi-allows-you-to-create-a-customized-vrchat-avatar-without-needing-to-learn-3d-design-software-coding-or-rigging/