Tabs Outliner - Next Generation Session, Windows, Tabs Manager and a TooManyTabs Solution That Really Works.
uBlock Origin - Popular and efficient blocker for Chromium, Chrome, Edge, Firefox, Opera, Safari, Thunderbird.
OneTab - Whenever you find yourself with too many tabs, click the OneTab icon to convert all of your tabs into a list. When you need to access the tabs again, you can either restore them individually or all at once.
Blokada - The best ad blocker for Android. Free and open source.
Session Box - Using websites with multiple accounts at the same time is made easy.
AdAway - An ad blocker that uses the hosts file. For Android, requires root.