No Coin - No coin is a tiny browser extension aiming to block coin miners such as Coinhive.
Pingdom - With website monitoring from Pingdom you will be the first to know when your website is down. No installation required. 30-day free trial.
uBlock Origin - Popular and efficient blocker for Chromium, Chrome, Edge, Firefox, Opera, Safari, Thunderbird.
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
Anti Miner - AntiMiner is #1 Miner Blocker, helps to stop coin miners, cryptojackers and block mining scripts...
Better Uptime - We call you when your website goes down