# Install itk with Homebrew, dnf, MacPorts, Nix, pacman, zypper Insight Toolkit is a toolkit for performing registration and segmentation. Version 5.4.6 via Homebrew; verified 2026-06-22. ## Install ```sh sudo av install brew:itk ``` Additional install commands: ### macOS - Homebrew (100%): ```sh brew install itk ``` Evidence: local Homebrew formula metadata - MacPorts (94%): ```sh sudo port install itk ``` Evidence: MacPorts ports tree: x11/itk/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1 ### Linux - dnf (92%): ```sh sudo dnf install itk ``` Evidence: Fedora Rawhide package metadata: itk from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/e5ca8ce900cd68f5419e1c39ae517343100b306336cbaeb70a3c153121d95094-primary.xml.zst - Nix (92%): ```sh nix profile install nixpkgs#itk ``` Evidence: nixpkgs package indexes: itk from https://raw.githubusercontent.com/NixOS/nixpkgs/master/pkgs/top-level/all-packages.nix - pacman (92%): ```sh sudo pacman -S itk ``` Evidence: Arch Linux sync databases: itk from https://geo.mirror.pkgbuild.com/extra/os/x86_64/extra.db.tar.gz - zypper (92%): ```sh sudo zypper install itk ``` Evidence: openSUSE Tumbleweed package metadata: itk from https://download.opensuse.org/tumbleweed/repo/oss/repodata/be8d3611d25469107f32075a1697e69ec57a2b850b42348a658cc671ad5ec2b50760d02c3e59524d50da9a11d5be799bdaffba2e166e8ca8858512e3c0bd665d-primary.xml.zst ## Package facts - **Package key:** brew:itk - **Package manager:** Homebrew - **Package manager page:** - **Version:** 5.4.6 - **Source summary:** Insight Toolkit is a toolkit for performing registration and segmentation - **Homepage:** - **Repository:** - **Upstream docs:** - **License:** Apache-2.0 - **Source archive:** - **Last updated:** 2026-06-22T14:03:48-07:00 - **Generated:** 2026-07-08T07:18:31+00:00 ## Executables - itkTestDriver (cli) - itkTestDriver (alias) ## Dependencies - double-conversion - fftw - freetype - gdcm - glew - hdf5 - jpeg-turbo - libpng - libtiff - vtk ## Build dependencies - cmake ## Uses from macOS - expat ## Install behavior - Post-install hook: not defined - Bottle: available on arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, sonoma, x86_64_linux ## Freshness - Page generated: 2026-07-08 - Package-manager version: 5.4.6 - Package-manager updated: 2026-06-22 - Local data: ok - Upstream repository: https://github.com/InsightSoftwareConsortium/ITK - info: No cached GitHub release or tag data was available. ## Project history and usage ITK, the Insight Toolkit, is an open-source, cross-platform toolkit for scientific image processing, segmentation, and registration. It is one of the foundational C++ libraries behind medical-imaging and multidimensional image-analysis software. ### Project history ITK began from the U.S. National Library of Medicine's need for open tools to analyze 3D data from the Visible Human Project. The archived ITK history says that in 1999 the NLM awarded a three-year contract to develop an open-source registration and segmentation toolkit, coordinated by Terry Yoo and built by the Insight Software Consortium. The original consortium joined commercial and academic groups: GE Research, Kitware, MathSoft/Insightful, the University of North Carolina, the University of Tennessee/Utah group, and the University of Pennsylvania, with subcontractors from Brigham and Women's Hospital, Columbia, the University of Pennsylvania GRASP Lab, and the University of Pittsburgh. The toolkit was built in C++ with generic programming and CMake, and it emphasized automated testing, iterative development, and language wrapping. Official ITK documentation describes it as an open-source toolkit for two-, three-, and higher-dimensional scientific image processing, segmentation, and registration. The project continued through major 4.x, 5.x, and 6.x release lines on GitHub. ITK 5.0.0 was published in 2019, and the ITK site describes the project as using open governance and being fiscally sponsored by NumFOCUS. ### Adoption history ITK's adoption grew from medical imaging into microscopy, remote sensing, and other scientific image-analysis domains. The Visible Human Project page records that its public-domain data sets were released in 1994 and 1995 and were intended partly as public-domain data for testing medical imaging algorithms, giving ITK a clear data-driven origin. Package-manager adoption spans Homebrew, Fedora, MacPorts, Nix, Arch, and openSUSE-family packages, but many users encounter ITK through downstream applications, Python wrapping, SimpleITK, 3D Slicer, ITK-SNAP, and research software stacks rather than by running a single CLI. ### How it is used ITK is primarily a development library. Users write C++ or wrapped-language programs that compose readers, writers, image types, filters, registration methods, segmentation algorithms, and pipeline components. The Homebrew formula exposes itkTestDriver, which reflects ITK's heavy testing culture more than a traditional end-user command-line application. ### Why package nerds care ITK is package-manager significant because it is a large scientific C++ dependency with long compile times, optional wrapping, CMake integration, and downstream consumers across research software. Packaging it well saves every downstream project from rebuilding a complex imaging stack by hand. It is also historically important as a medical-imaging open-source success: a government-funded research toolkit that became infrastructure for later tools rather than a single application. ### Timeline - 1994: The Visible Human male data set was publicly released. - 1995: The Visible Human female data set was publicly released. - 1999: NLM awarded the contract that started the Insight Toolkit effort. - 2018: ITK 4.13.0 was published in the GitHub release stream. - 2019: ITK 5.0.0 was published. - 2026: ITK 6.0.0 documentation was generated in the project documentation site. ### Related projects - The Visible Human Project is the data and research context that motivated ITK. - CMake, VTK, SimpleITK, ITK-SNAP, 3D Slicer, NumFOCUS, and Kitware are closely related in ITK's history and ecosystem. - Downstream scientific workflows use ITK alongside Python, image IO libraries, visualization toolkits, and domain applications for medical imaging and microscopy. ### Sources - - - - - - - ## Security Notes No matching local secret-handling manifest was found for itk. Nucleus package metadata is still published here so future coverage has a stable package URL. ## Source Database Details - **Source Database:** Homebrew formula API - **Tap:** homebrew/core - **Full Name:** itk - **Version Scheme:** 0 - **Revision:** 1 - **Head Version:** HEAD - **Bottle Stable Root URL:** - **Deprecated:** no - **Disabled:** no - **Keg Only:** no - **URL Keys:** head, stable ## Other Package-Manager Records - Nix - itk: normalized package name match | nixpkgs package indexes: itk from https://raw.githubusercontent.com/NixOS/nixpkgs/master/pkgs/top-level/all-packages.nix - dnf - itk - 4.1.0-13.fc42: normalized package name match | Fedora Rawhide package metadata: itk from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/e5ca8ce900cd68f5419e1c39ae517343100b306336cbaeb70a3c153121d95094-primary.xml.zst | Object oriented extensions to Tk | http://incrtcl.sourceforge.net/itcl/ - dnf - itk-devel - 4.1.0-13.fc42: normalized package name match | Fedora Rawhide package metadata: itk-devel from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/e5ca8ce900cd68f5419e1c39ae517343100b306336cbaeb70a3c153121d95094-primary.xml.zst | Development headers and libraries for linking against itk | http://incrtcl.sourceforge.net/itcl/ - pacman - itk - 5.4.6-1: normalized package name match | Arch Linux sync databases: itk from https://geo.mirror.pkgbuild.com/extra/os/x86_64/extra.db.tar.gz | An open-source toolkit for multidimensional image analysis | https://www.itk.org - zypper - itk - 4.1.0-2.23: normalized package name match | openSUSE Tumbleweed package metadata: itk from https://download.opensuse.org/tumbleweed/repo/oss/repodata/be8d3611d25469107f32075a1697e69ec57a2b850b42348a658cc671ad5ec2b50760d02c3e59524d50da9a11d5be799bdaffba2e166e8ca8858512e3c0bd665d-primary.xml.zst | Object Oriented Extension for Tcl - MacPorts - itk: normalized package name match | MacPorts ports tree: x11/itk/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1 ## Related links - [Terminal utility packages](https://www.automicvault.com/pkg/terminal-utilities/) - Matched terminal and command-line workflow metadata. - [Networking and protocol packages](https://www.automicvault.com/pkg/networking-protocol-tools/) - Matched network, protocol, or remote-service metadata. - [Media and graphics packages](https://www.automicvault.com/pkg/media-graphics-tools/) - Matched media, image, audio, video, or graphics metadata. - [Scientific computing packages](https://www.automicvault.com/pkg/scientific-computing-tools/) - Matched scientific computing metadata. - [fftw](https://www.automicvault.com/pkg/brew/fftw/) - Runtime dependency declared by Homebrew. - [freetype](https://www.automicvault.com/pkg/brew/freetype/) - Runtime dependency declared by Homebrew. - [gdcm](https://www.automicvault.com/pkg/brew/gdcm/) - Runtime dependency declared by Homebrew. - [glew](https://www.automicvault.com/pkg/brew/glew/) - Runtime dependency declared by Homebrew. - [hdf5](https://www.automicvault.com/pkg/brew/hdf5/) - Runtime dependency declared by Homebrew. - [jpeg-turbo](https://www.automicvault.com/pkg/brew/jpeg-turbo/) - Runtime dependency declared by Homebrew. - [libpng](https://www.automicvault.com/pkg/brew/libpng/) - Runtime dependency declared by Homebrew. - [cmake](https://www.automicvault.com/pkg/brew/cmake/) - Build dependency declared by Homebrew. - [siril](https://www.automicvault.com/pkg/brew/siril/) - Shares av.db curated category or tags: cli, image-processing, science. - [dcm2niix](https://www.automicvault.com/pkg/brew/dcm2niix/) - Shares av.db curated category or tags: cli, medical-imaging, science. - [dcmtk](https://www.automicvault.com/pkg/brew/dcmtk/) - Shares av.db curated category or tags: cli, medical-imaging, science. - [libdicom](https://www.automicvault.com/pkg/brew/libdicom/) - Shares av.db curated category or tags: cli, medical-imaging, science. - [libxc](https://www.automicvault.com/pkg/brew/libxc/) - Shares av.db curated category or tags: cli, library, science, scientific-computing. - [teem](https://www.automicvault.com/pkg/brew/teem/) - Shares av.db curated category or tags: cli, image-processing, science, scientific-computing. - [udunits](https://www.automicvault.com/pkg/brew/udunits/) - Shares av.db curated category or tags: cli, library, science, scientific-computing. - [vtk](https://www.automicvault.com/pkg/brew/vtk/) - Both packages work with overlapping file formats or content types. Shared terms: cli, computing, conversion, double, double-conversion. - [opencv](https://www.automicvault.com/pkg/brew/opencv/) - Both packages work with overlapping file formats or content types. Shared terms: cli, freetype, glew, image, image-processing. ## Combined YAML source View the package source record on GitHub. [combined/itk.yml](https://github.com/automic-vault/db/blob/main/combined/itk.yml) ## Sources - Nucleus package database - Geiger risk classifier - package-page enrichment - curated package history - package version freshness - av.db category and tag curation - package relationship graph - external package-manager database matches - cross-ecosystem install command graph