uBlock Origin - Popular and efficient blocker for Chromium, Chrome, Edge, Firefox, Opera, Safari, Thunderbird.
Ads-Shield - Ads-Shield: Content Blocker is an all-in-one ad-blocking app that stops all kinds of ads in your browser, Facebook, YouTube, and even other third-party apps.
SponsorBlock - SponsorBlock is an open-source crowdsourced browser extension to skip sponsor segments in YouTube videos.
BLOCK THIS! - Block This 3.0 is a FREE and Open Source ad blocker for Android that works in all apps and browsers!
BlockBear - Block ads and protect your privacy on iOS with a bear
Ad Skipper for YouTube - Ad Skipper for YouTube – Skip and Mute YouTube ads is a powerful Android tool specially designed for YouTube streaming lovers who want to enjoy the high-quality fast streaming experience without any irritation from ads.