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Process images and create 3D computer graphics with the Visualization Toolkit.

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.

VTK is part of Kitware’s collection of supported platforms for software development. The platform is used worldwide in commercial applications, as well as in research and development. For examples, please see VTK in Action.

ActiViz 9.7 Release

Kitware is pleased to announce the release of ActiViz 9.7.2026.727, the latest version of Kitware’s .NET/C# wrapper for the Visualization Toolkit (VTK). In addition to the key improvements provided by VTK 9.7.0, this release significantly enhances support for the Avalonia framework, pushing the boundaries of cross-platform Graphical User Interface (GUI) integration. ActiViz ActiViz is a […]

VTK 9.7.0

The VTK release team is pleased to announce the release of VTK 9.7.0. This release brings improvements to rendering architecture, AMR processing, implicit arrays with NumPy integration, and interaction styles.  Highlights Platform-Independent Graphics Architecture VTK 9.7 introduces an updated graphics architecture that separates rendering from windowing through the new vtkHardwareWindow abstraction layer. VTK 9.7.0 also […]

M&M 2026

Kitware is pleased to be returning to the Microscopy & Microanalysis (M&M) conference. This year, we will be exhibiting and hosting a vendor tutorial about the Tomviz 3.0 release. We also had a platform presentation accepted on our DOE Phase II-funded open source multivariate visualization work. Visit us at Booth #1222 to learn more, or contact our team to schedule a meeting.