Cronitor - Monitor cron jobs, micro-services, daemons and almost anything else, no setup required. Easier cron troubleshooting and no more silent failures.
ServerSuit - ServerSuit is a browser based program that enables remote Linux administration, monitoring, website hosting, and server setup automation.
EasyCron - Get frustrated with Cron on your server? Hosting limits your Cron use?
RedGate SQL Monitor - SQL Monitor helps you and your team find issues – before they become problems
Cronly - Keep track of your cron jobs and SSL certificates. Don't let them fail unnoticed.
Netumo - Ensure healthy website performance, uptime, and free from vulnerabilities. Automatic checks for SSL Certificates, domains and monitor issues with your websites all from one console and get instant notifications on any issues.