VTK employs Kitware's quality software process, which includes CMake, CTest, CDash, and CPack to build, test, and package the system. Combined with a strong distributed developer community, the result is very high-quality, robust code. The core functionality of VTK is written in C++ to maximize efficiency. This functionality is wrapped into other language bindings to expose it to a wider audience. Interoperability with Python is particularly well-refined...
VTK is designed to be platform agnostic. This means that it runs just about anywhere, including on Linux, Windows, and Mac; on the Web; and on mobile devices...
The Visualization Toolkit (VTK) is open source software for manipulating and displaying scientific data. It comes with state-of-the-art tools for 3D rendering, a suite of widgets for 3D interaction, and extensive 2D plotting capability.