Blender is a free and open-source 3D computer graphics suite. It helps you create 3D models, add visual effects and develop full-length animated movies. It has a comprehensive user interface that comprises of a wide range of tools and options. You can read its manual to learn about its features and contact their customer support service as and when needed. Blender foundation released this software in 1998 to facilitate beginners as well as professional users. It provides an online repository where you can upload your projects. It works with XP and all later versions of Windows OS.