One of the most popular alternatives to Site24x7 is Uptime Kuma, which is free and open source. Other popular alternatives are Better Stack, UptimeRobot, Datadog and Tianji. You're spoiled for choice with Website Monitoring Tools like Site24x7: we list more than 100 alternatives for self-hosting, Linux, Windows, Mac and Android.
Uptime and error monitoring for websites, APIs, ports, DNS and SSL certificates — instant alerts across 12 channels, grouped error tracking and public status pages, GDPR-compliant.
Germany
EU
Website and infrastructure monitoring for uptime, SSL, DNS, APIs, email servers, ports and private services. It combines 26 check types, five-region verification, private workers, public status pages, SLA reports and alerts through 10 channels.
CzechiaEU
2 Steps allows organisations using Splunk for IT operations to monitor mobile apps, websites, Windows applications and mainframe software interfaces without setting up coding or scripts.
Check for website status, integrate automatically with Zapier.
Uptimely simplifies monitoring the uptime of your services, alerts you to downtime, and helps you create status pages to keep your customers informed.
Uptimia monitors websites, APIs, servers, SSL certificates and domains from 171 locations worldwide. You get grouped alerts on the channels your team already uses, a public status page, and reports on availability and response time.
GermanyEU
DownCTL is a website operations dashboard built for web professionals who manage a portfolio of client sites — agencies, freelancers, and small development shops. Instead of using separate tools for everything from uptime checks to status pages to log aggregation, DownCTL brings...
United States
Simple website monitoring. Get email and SMS when your website goes down. Completely Free. Monitor SSL certificate, different URLs, view downtime reports. Provides also automatic offsite backups of your website.
A lightweight uptime and API monitoring service designed for developers, SaaS founders, and small businesses who want fast, reliable status checks without the complexity of larger tools.
DenmarkEU
Statusloop is an uptime monitoring service for solo developers and small SaaS teams. It checks websites and APIs at regular intervals and sends an alert as soon as something goes down or recovers.
GermanyEU
Kikloper is a lightweight monitoring platform for freelancers, developers, and agencies managing multiple websites.
United States
Website Uptime and performance monitoring service for developers. Don't let your users have downtime browsing.
