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.
Monitors uptime and availability from 300+ worldwide locations with checks for HTTP, ping, content, SSL, domain expiration, DNSBL blacklists and more. Alerts via email, SMS, calls, messengers, webhooks, and push. Includes public status pages, tools, and REST API.
United Kingdom
Monitor your website, server, API, application, service and get notified if your resources have some problems with availability. Upzilla notifies you in Slack, Telegram, Messenger, or by email. Works also as a public status page with subscriptions.
Pinpoint and solve performance issues in your Ruby, Java, .NET, PHP and Python apps with real user, application and server monitoring.
Poland
EU
United States
Downdetector monitors over 3,000 services in 25 countries including telecommunication outages (internet, phone and TV service), online banking problems, websites that go down and apps that aren’t working.
United States
Self-hosted Docker and Kubernetes monitoring in a single container — containers, endpoints, cron jobs, SSL certs, image updates, network security, and status page.
FranceEU
DomainPulse.io is an advanced service designed to help users easily monitor and manage all their domain registrations in one place.
A modern, all-in-one monitoring platform designed to replace cluttered legacy tools with project-based organization, server resource tracking, and unified security dashboards.
PortugalEU
A robust web application for monitoring website uptime, performance, and SSL certificate expiration. Simple Site Monitor provides an easy-to-use dashboard to track the health of your websites in real-time.
MaltaEU
