Dataloop.io is described as 'Effortless monitoring for your online service'. There are more than 50 alternatives to Dataloop.io, not only websites but also apps for a variety of platforms, including Linux, Windows, Mac and Android. The best alternative is Zabbix, which is both free and Open Source. Other great sites and apps similar to Dataloop.io are Nagios (Freemium, Open Source), Spiceworks Help Desk (Free), Datadog (Paid) and Icinga (Freemium, Open Source).
Gather and analyze accurate statistics and performance metrics, visualize it, get notified about current and potential issues without delay, and take advantage of our time-tested professional development and support.
Datadog is a monitoring service for IT, Dev & Ops teams who write and run applications at scale, and want to turn the massive amounts of data produced by their apps, tools and services into a unified view of IT infrastructure. 120+ Integrations!.
PHP Server Monitor is a script that checks whether your websites and servers are up and running. It comes with a web based user interface where you can manage your services and websites, and you can manage users for each server with a mobile number and email address.
An advanced network monitoring solution to monitor network up/downtime, traffic and usage. Features include availability, performance, and bandwidth monitoring (SNMP, WMI, packet sniffing, NetFlow), instant alerts, reporting, failover clustering.
Munin is a networked resource monitoring tool that can help analyze resource trends and "what just happened to kill our performance?" problems. It is designed to be very plug and play. A default installation provides a lot of graphs with almost no work.