She-Hulk Rig is a free Maya rig made by @CromaCore_. Download it from his Gumroad page!
Kratos Rig is a free Maya rig made by @CromaCore_. Download it from his Gumroad page!
ProRigs are Maya rigs developed by talented artists from animation studios such as Disney, Dreamworks, Pixar and Sony. Available on a subscription model which gets you access to over 40 rigs.
Alien FPS Rig is a free first person rig for Maya based on a sci-fi theme (inspired by Alien). Made by Guillermo Moreno Alfaro.
Louise is a free high res facial rig for Maya, Unreal and Unity with a complete set of 236 blendshapes