For blender, see Blender Addons.
The Bare Minimum
- VRChat Creator Companion (VCC): just use it, people that don’t like it are stuck up and eventually you will run into problems.
- Unity Hub: pretty useful, also handy for when VRChat updates to a new unity version
- Blender: it’s what I use. some people use Maya, that works too
Packages
These tools are available as VCC packages: