Don't let your servers just melt down
Laravel Health Panel
A powerful and easy to configure uptime and ssl monitor
Get notified when a queued job fails
Server Monitoring Command for Laravel Applications
A PHP application to monitor the health of your servers
Monitor the output of scheduled tasks in a database table.
Various tools for monitoring Laravel queues
A simple script which lets you monitor statuses of all servers. This is kind of old/unmaintained, keep an eye out for 2.1 using Laravel.