MayaVi . MayaVi is a free, cross platform, easy-to-use scientific data visualizer. It provides a fairly powerful GUI to ease the visualization process. It is written in Python and uses the Visualization Toolkit (VTK) for the graphics. MayaVi is based on ideas from an earlier Computational Fluid Dynamics (CFD) data visualizer called VTK-CFD. ... Available Binary Packages: . ... Software/Hardware Requirements: . ... None . ... SAL Home | Scientific Data Processing Visualization | ...