Vayu 1.0 is a freeware that deals with surface mesh files. It provides a set of tools for rendering, labelling, revisualizing, and reanalyzing meshes. It also offers features for VR mode and one-stop animation production. This paper describes the major features of Vayu 1.0, which includes three main panels, i.e. mesh information, keyframe editor, and shading-transform. Vayu, as an innovative freeware, contains the state-of-the-art new features which provides a fresh set of tools to accelerate future development directions in paleontology, biological sciences and beyond.