uBlock Origin is a low resource ad blocking ad-on for the Chrome browser.
Ranked in these QuestionsQuestion Ranking
Pro Open source
Pro Promised to remain commercial interest free
uBlock will remain free from any commercial as stated by the creator. uBlock is meant to be strictly for the users and completely free.
Pro Light weight
Pro Lots of advanced features
For example, you can add more items to your HOST files like disable social tracking.