• http://www.blender.org/ - Official Blender website

Documentation

• The Blender Manual
• Blender Basics- 3rd Edition - Classroom based tutorial book
• Essential Blender Full book on learning Blender
• Materials in Blender
• Fluid simulations in Blender
• Byte of Python
• Official Blender 2.0 Guide (Google Books)

Tutorial Websites

• Blender Tutorials - The Blender tutorial site
• CGCookie - Excellent source of tutorials teaching Blender
• Categorized tutorials for Blender

Tutorials

• A lighting tutorial
• Another lighting tutorial
• A few tutorials
• Realistic portrait tutorial (large)
• Character animation tutorial

Blogs

• Blender Newbies blog

Forums

• http://www.blender.org/forum/ - Blender Forum
• BlenderArtists.org - An extremely popular forum among Blender artists

Models

• Blendswap - Large collection of free Blender models
• Free models

• Yobi3D - 3D model search engine and see results in 3D

Animations/Rigs

• Otto - Free rigged character
• Several other free rigged characters

Textures

• SemiCuro Java texture generator
• Public domain textures

Plugins

• Labyrinthe 3d Maze Generator
• Ivy Generator - A "creeping ivy generator" for Blender

Development

• Interview with Blender's founder
• Blender for architecture
• Blender cloth development

Rendering

• Big ugly rendering project
• Distriblend Distributed Blender Rendering Project

Tools

• InnerWorld - A terrain generator for Blender

FAQ

• Mesh editing FAQ

Demonstrations

• Fluid demonstration
• Youtube: Fluid sim video

Other courses

• 3D Animation (Sam Hinton, 2008, University of Canberra)
• Blender 3D Design (by Neal Hirsig) - Course intended to offer an introduction to 3-D modeling and animation