What are some alternatives?
When comparing Open Tabs Next to Current and Adguard AdBlocker, you can also consider the following products
Tabs Outliner - Next Generation Session, Windows, Tabs Manager and a TooManyTabs Solution That Really Works.
Iridium - Iridium Browser is based on the Chromium code base. All modifications enhance the privacy of the user and make sure the most secure technologies are used.
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.
Tab Mix Plus - Tab Mix Plus enhances Firefox's tab browsing capabilities.
Blokada - The best ad blocker for Android. Free and open source.