The original one, now called uBlock Origin [1] and the fork, now called uBlock [2]. The maker of the latter also sells Purify on the iOS app store. [1]: https:

The original one, now called uBlock Origin [1] and the fork, now called uBlock [2]. The maker of the latter also sells Purify on the iOS app store. [1]: https://github.com/gorhill/uBlock https://github.com/gorhill/uBlock - uBlock Origin [2]: http://ublock.org/ http://ublock.org/ - uBlock