Weka 3.8 Stable
Free
Open-source software under the GNU General Public License
Checked 3 Oct 2026
Plans and prices
Weka pricing
Weka 3.9 Development
Free
Development version; may include features that break compatibility with earlier releases
Checked 3 Oct 2026
Weka open-source software
Free
Desktop Java workbench · stable and development branches · package manager requires internet
Checked 15 Oct 2026