XB is a wide-spectrum content blocker with CPU and memory efficiency as a primary feature. *** Out of the box, these lists of filters are loaded and enforced: - uBlock Origin filter lists - EasyList (ads) - EasyPrivacy (tracking) - Peter Lowe’s Ad server list (ads and tracking) - Online Malicious URL Blocklist More lists are available for you to select if you wish: - Fanboy’s Enhanced Tracking List - Dan Pollock’s hosts file - MVPS HOSTS - Spam404 - And many others Additionally, you can point-and-click to block JavaScript locally or globally, create your own global or local rules to override entries from filter lists, and many more advanced features. *** Free. Open source with public license (GPLv3) For users by users.