LeechBlock NG Website Blocker

LeechBlock NG for Firefox: https://addons.mozilla.org/en-US/firefox/addon/leechblock-ng...

LeechBlock NG for Chrome: https://chromewebstore.google.com/detail/leechblock-ng/blaaa...

LeechBlock NG for Edge: https://microsoftedge.microsoft.com/addons/detail/leechblock...