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Weka
Weka 3 provides open source machine learning and data mining software written in Java.
About Weka
Weka 3 is machine learning and data mining software written in Java. Its homepage describes it as open-source software issued under the GNU General Public License. The site includes sections for downloads, requirements, documentation, courses, a FAQ, a book, and developer resources such as a Git repository and code credits.
The homepage does not describe specific algorithms, interface details, supported data formats, or system limits beyond what is listed above. The directory record marks the software as not open source, which conflicts with the homepage's description, so the license status should be checked on the project's download and license pages before relying on it.
Key features
- Machine learning and data mining software written in Java
- Distributed under the GNU General Public License, according to the homepage
- Public Git repository for development work
- Datasets section for sample data
- Commercial license information listed separately from the open-source distribution
Best for: Users who want Java-based machine learning and data mining software and can work within the GNU General Public License terms.
Good for
- The homepage describes the software as open source under the GNU General Public License.
- Development source is available through a public Git repository.
Weka at a glance
- Website
- ml.cms.waikato.ac.nz/weka
- Category
- Education & Learning › AI Learning & Guides
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
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Weka FAQ
Are commercial licenses available?
The site has a section titled Commercial licenses. The homepage text does not give the terms or conditions of those licenses.
Where can the source code be found?
The Developers section of the homepage links to a Git repository.
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