Johan The Dog is a free quadruped rig for Maya for use in non-commercial projects.
Advanced Skeleton has been used to rig creatures, props, vehicles and just about anything since 1999. It is free to download but if you want to use it for a commercial project you will have to buy a license.
The Animation Streamers List was compiled by David J Pumpa and features a bunch of great animation streamers on Twitch.
Animation Exchange happened again! If you missed the live twitch stream you can catch up using the link above!
Grey Matter Gary is a free Maya rig from Squiggly Rigs
Keith Lango has released his collection of tutorials for free! These were originally made between 2005 & 2010 for paid subcribers only but are now available to everyone.
The Setup Machine enables Maya users to easily and quickly rig a wide variety of CG characters with just a few clicks. Generate a flexible, modern character rig in minutes saving you days or weeks of work
The AniMates are a professional group of animators who get together every Sunday on Twitch to interview other animators, discuss animation topics and work on personal projects live! Their aim is to create a community of content to help both experienced and beginner animators! They also post everything to their Website