Ghostery - Privacy tool for transparency and control
AdBlock - Ad blocker for Chrome, Safari and Opera on desktop and Safari for iOS devices.
Wipr - Block ads, trackers and miners on iOS and macOS
Bromite - Bromite is Chromium plus ad blocking and privacy enhancements; take back your browser!
Social Sponsored Ads Blocker - Remove sponsored content from Facebook, Twitter & LinkedIn
BLOCK THIS! - Block This 3.0 is a FREE and Open Source ad blocker for Android that works in all apps and browsers!