Coinbase Commerce - Accept BTC, ETH & other digital currencies in your business
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.
BitPay - Bitcoin payment gateway. Enterprise-grade solutions, from the pioneer of bitcoin payments.
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
Coinomi - Free Secure Multi-Coin Multi-Asset HD Wallet for Bitcoin and Altcoins
Better Uptime - We call you when your website goes down