Better Safari Extension
You should not have to install this separately. Please run a full installation from the main Better project.
If you want install this separately, you must install Better Builder separately first, then run:
Use Safari Extension Builder to install the extension.
This extension will eventually also be available on the Safari Extension Gallery.
This extension is released under GNU AGPLv3. The Better Blocker List JSON is released under Creative Commons Attribution-ShareAlike 4.0 International.