Open source observability platform. SigNoz helps developers find issues in their deployed applications & solve them quickly.




HappyApps is described as 'Sophisticated Uptime Monitoring for your Apps, DBs, IT systems, and business services. Get pro-active alerts and fix incidents with ease without the noise' and is a Uptime Monitor service in the network & admin category. There are more than 50 alternatives to HappyApps for a variety of platforms, including Web-based, SaaS, Linux, Windows and Mac apps. The best HappyApps alternative is Zabbix, which is both free and Open Source. Other great apps like HappyApps are Uptime Kuma, UptimeRobot, Nagios and Datadog.
Open source observability platform. SigNoz helps developers find issues in their deployed applications & solve them quickly.




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.




Monika is a command-line application to monitor every part of your web app using a simple YAML configuration file. Get alert notifications through SMTP, Discord, Slack, WhatsApp, and many more when your site is down but also when it's slow!.


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).







Proactively monitor your websites and online services. Receive immediate notification when a problem is detected so you can quickly resolve the root cause and prevent potential escalation.




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.





Logit.io is used for a wide variety of use cases including log management, business intelligence, SIEM, APM, container monitoring, infrastructure monitoring, monitoring website uptime, measuring sales performance & vulnerability scanning.


Statsignal is the simplest and most cost-effective way to monitor your website or server and publish a status page of your system. No plans, pay as you go. Free monitors available.




The AppDynamics platform gives today’s software-defined businesses the ability to analyze and optimize digital business performance in real time.


