Windows: https://download.eclipse.org/eclipse/downloads/drops4/R-4.11-201903070500/download.php?dropFile=eclipse-platform-4.11-win32-x86_64.zip
Linux: https://download.eclipse.org/eclipse/downloads/drops4/R-4.11-201903070500/download.php?dropFile=eclipse-platform-4.11-linux-gtk-x86_64.tar.gz
MacOS: https://download.eclipse.org/eclipse/downloads/drops4/R-4.11-201903070500/download.php?dropFile=eclipse-platform-4.11-macosx-cocoa-x86_64.dmg
Close Eclipse, then re-run.
Read-only git mirror of Weka's subversion repository.
The official WEKA source code of the developer version is available from this URL:
https://svn.cms.waikato.ac.nz/svn/weka/trunk/
Contributions and bug fixes an be contributed as patch file and posted to the WEKA mailing list.