ilastik is free open source software for image classification and segmentation. No previous experience in image processing is required to run the software. Since 2018 ilastik is further developed and maintained by Anna Kreshuk's group at European Molecular Biology Laboratory.
ilastik allows user to annotate an arbitrary number of classes in images with a mouse interface. Using these user annotations and the generic (nonlinear) image features, the user can train a random forest classifier. Trained ilastik classifiers can be applied new data not included in the training set in ilastik via its batch processing functionality, or without using the graphical user interface, in headless mode. ilastik can be integrated into various related tools:
ilastik was first released in 2011 by scientists at the Heidelberg Collaboratory for Image Processing (HCI), University of Heidelberg.
What is ilastik?
ilastik by ilastik: interactive machine learning for (bio)image analysis is open-source Windows software in the education category. It ranks 27th by popularity among education in this catalogue. The first release dates back to 2011. It is written in Python.
Installation and requirements
The publisher provides EXE (Inno Setup) installers for 64-bit Windows. The main installer is 268.7 MB. Installation asks for administrator rights. A silent install is possible with the installer’s documented switches.
Popularity and file types
The Chocolatey package has been downloaded 689 times. Wikipedia has an article about it in 2 of our languages. Similar programs include Anki, Praat and OpenBoard.
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Documented silent install
- Mature project (since 2011)
Cons
- No native ARM64 build
- Installation needs administrator rights
In short: ilastik is an open-source education tool for 64-bit PCs. Administrators can deploy it unattended.
Is ilastik safe to download?
- The file is served by files.ilastik.org, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
7DADC13EDA2D954DA6401BD5DEDC7453C761F98249423631BE86E6F5F9218A38· Open the VirusTotal report for this hash - The link answered when we last checked it (October 22, 2026)
- The source code is public
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 1 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 1.3.0Latest | May 27, 2026 | 268.7 MB | 64-bit EXE (Inno Setup) |
Install from the command line
Silent install ›winget install --id ilastik.ilastik -echoco install ilastik -yilastik-1.3.0-win64.exe /SRelated guide: How to use winget: install and update apps
Information
- Publisher
- ilastik: interactive machine learning for (bio)image analysis
- Category
- Education
- Licence
- GNU
- Price
- Free
- Source code
- github.com
- Written in
- Python
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- EXE (Inno Setup)
- Version
- 1.3.0
- Released
- May 27, 2026
- First release
- 2011
- Added to the catalogue
- August 7, 2026
- Versions listed
- 1
- Chocolatey downloads
- 689
- Website
- ilastik.org
- winget ID
- ilastik.ilastik
- Chocolatey package
- ilastik
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is ilastik free?
Yes. ilastik is open-source software under the GNU licence.
Is ilastik safe to download?
The download comes from files.ilastik.org, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install ilastik with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Can ilastik be installed silently?
Yes. The silent install page lists the exact command for each installer.
Does ilastik run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.
What are alternatives to ilastik?
Anki, Praat, OpenBoard, Tux Paint and eXeLearning. The alternatives page compares them.
