Blender is a free and open-source 3D creation suite that allows users to design 3D models, animations, renders, visual effects, and games. It has a small download size of 8.11 MB and supports cross-platform use. Blender is one of the most popular open source 3D graphics applications and is frequently one of the most downloaded programs. The document provides information about Blender's capabilities and compares it to commercial 3D software like Maya and 3DS Max.