Upptime is described as 'GitHub-powered open-source uptime monitor and status page' and is a Uptime Monitor in the Network & Admin category. There are more than 100 alternatives to Upptime for a variety of platforms, including Online / Web-based, SaaS, Windows, Linux and Mac. The best alternative is UptimeRobot, which is free. Other great apps like Upptime are Better Uptime (Freemium), Pingdom (Paid), Freshping (Free) and PHP Server Monitor (Free, Open Source).
Monitor uptime,response timeandapdex indexes of your website or api for free and receive instant updates through e-mail or Slack with real time announcements. Don't leave your customers in the dark during downtime & outages of your website.
Free open-source website monitoring software, easy to set up and use for monitoring web sites. You can monitor single web pages, multiple web pages, pages in sitemap and even your whole web site using spider. You can check HTTP result codes and even contents of the checked pages.
Testomato allows you to create tests in seconds so you can take control of your website's performance. Errors are checked from multiple locations to ensure accuracy. Monitor uptime performance as often as every 15 seconds!
Screpy is an AI-based web analysis tool that can analyze all pages of your websites in one dashboard and monitor them with your team. It's powered by Lighthouse and it also includes some different analysis tools (SEO, SERP, W3C, Uptime, etc).