Much more than just free tutorials and textures, this website gives plenty of information about the 3D world. Brother to LayerPaint website, for 2D lovers.
Autodesk Knowledge Network
You can get some free contents on this network and then find answers to your questions on the Autodesk community.
One branch from CG Cookie offering us tutorials on the open-source software Blender. Offers a free basic account with many tutorials.
The most obvious place where to find Blender tutorials - Blender wiki. For free - just like Blender.
This is a hub education site offering us tutorials on 3D modeling and animation, visual effects & concept art. From a free basic account to a Citizen status at 18$/month; and more.
A whole community with much to offer from free tutorials to selling your own work. To explore further.
A large tech and creative library with tutorials on most software. You can get a free demo and then you can get a basic account at 29$/month.
Here you can get a free preview account to givve you an idea of what you might need, or you could go straight to a 25$/month account to a world of video tutorials.
School of Motion
Joey Korenman from the School of Motion provides us with free tutorials on motion graphics.
The Gnomon Workshop
You can get some freebies on Maya, 3DS Max and more, or go straight to a 49$/month subscription.