CleanBrowsing is a DNS-based content filtering service that offers a safe way to browse the web without surprises. It intercepts domain requests and filter sites that should be blocked, based on your requirements. The custom filters give you full control on what should be blocked. You can pick from 14 predefined filters (Adult, Gaming, Gambling, Torrents, Weapons, Social Network, etc), but you can also make your own rules and block/allow any domains you wish.
It's a browser tool that provides you with safety advice about webpages.
Block ads on your Mac independent of the browser you use..
Set DNS servers for a convenient browsing experience.
Web browser built for speed, simplicity, and security.
Focus is a Mac app to block distracting websites like Facebook and Reddit.