Cost / License
- Free
- Open Source
Application type
Platforms
- Self-Hosted
- GitHub

isUp is described as 'Website/Server monitoring with fast notification via Web, SLACK or E-Mail on issues. What you get: 25 monitors, checked every 15 minutes. Now includes SSL-Certificate validation and port checks. Totally free!' and is a Uptime Monitor service in the network & admin category. There are more than 50 alternatives to isUp, not only websites but also apps for a variety of platforms, including SaaS, Self-Hosted, Linux and Windows apps. The best isUp alternative is Uptime Kuma, which is both free and Open Source. Other great sites and apps similar to isUp are UptimeRobot, Pingdom, StatusCake and Instatus.

Cachet is a simple to use and easy to manage status page system and can be easily installed and used to track third party service letting your users know what's going on.


"Is It Down Right Now" monitors the status of your favorite web sites and checks whether they are down or not. Check a website status easily by using the below test tool. Just enter the url and a fresh site status test will be perfomed on the domain name in real time...



StatusPage.io is the best way for web infrastructure, developer API, and SaaS companies to get set up with their very own status page in minutes. Integrate public metrics and allow your customers to subscribe to be updated automatically.




SaaS monitoring tool for linux servers and websites. Think up-time robot but with more features. You can monitor your linux hosts, windows hosts under development.


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).




Netweak is a delightful, minimalist monitoring platform that gives you insights on performance and availability for your linux servers & websites.




Mist is an open source multicloud management platform. It supports all popular infrastructure technologies including public clouds, private clouds, hypervisors, containers and bare metal servers.




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.

Stashboard is a status dashboard for APIs and software services. It's similar to the Amazon AWS Status Page or the Google Apps Status Page.

We alert you, before your customers do.
OnlineOrNot monitors your websites, web apps, and APIs, letting you know instantly if anything goes wrong.

