Pingoscope is described as 'will carefully monitor your website and alert you instantly if it goes down' and is an website in the Network & Admin category. There are more than 50 alternatives to Pingoscope, not only websites but also apps for a variety of platforms, including SaaS, Linux, Android and Windows. The best alternative is UptimeRobot, which is free. Other great sites and apps similar to Pingoscope are Pingdom (Paid), PHP Server Monitor (Free, Open Source), Freshping (Free) and Cabot (Free, Open Source).
Dashboard with 50 Monitors, Checked Every 5 Minutes, Totally Free. Monitor HTTP(S), Ping, Port and check Keywords. Get alerted via e-mail, SMS, Twitter, web-hooks or push. View uptime, downtime and response times.
Pingdom web site monitoring and other infrastructure for you and instantly let you know when anything goes wrong. Measure uptime, downtime, and the performance of your website as experienced by visitors.
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.
StatusCake.com is a free website monitoring tool which allows users to track up to 10 websites and get alerted when their site is down or is having trouble. Downtime root cause analysis is included in the free plan to help users diagnose and fix issues.
Website/Server monitoring with fast notification via Web, SLACK or E-Mail on issues. What you get: 25 monitors, checked every 5 minutes. Now includes SSL-Certificate validation and port checks. Totally free!.