Personal Blocklist has been discontinued. Similar apps include uBlacklist, which is free and open source. Other options are Content Farm Terminator and Personal Blocklist (not by Google). In total there are three apps like Personal Blocklist for Mac, Windows and Linux.
Extension filters chosen sites from search engine results with instant blocking, accepts match patterns and regular expressions, partially supports alternative search engines, enables cloud sync, and allows subscribing to public blacklists for cross-device use.
Japan
Content Farm Terminator is a cross-platform browser extension that helps the user identify and repel content farms. It has the following features:
Taiwan
Blocks domains/hosts from appearing in your Google search results.
United States
