List of Maya Plugins - Rigging

Rigging

Plugin compatibility description
Storm V3 2011 - 2012 (32 & 64-bit) Rigging and animation plug-in with an extensive API.
The Setup Machine 2 7.0 - 2012 (32 & 64-bit) Modular character auto-rigger, can rig bipeds, quadrupeds, and others.
The Face Machine 7.0 - 2012 (32 & 64-bit) Auto-rigger for human and human-like faces
ngSkinTools 2009 - 2013 (32 & 64-bit) Advanced skin weight painting tools with layers, revamped mirroring and smoothing.

Read more about this topic:  List Of Maya Plugins