Pricing
Weka pricing
As weka.waikato.ac.nz lists them, read 3 Oct 2026. The maker's own page has the final word.
| Plan | Billed and limits | Price |
|---|---|---|
| Weka 3.9 Development | Development version; may include features that break compatibility with earlier releases | Free |
| Weka 3.8 Stable | Open-source software under the GNU General Public License | Free |
| Weka open-source software | Desktop Java workbench · stable and development branches · package manager requires internet | Free |