Monitor SSL certificates, domain expirations, and service uptime in one powerful, developer-friendly dashboard.



HetrixTools is described as 'Monitoring service that offers tools for tracking uptime, blacklist status, and server monitoring. It alerts users to potential downtime and provides 15 free uptime monitors that check every minute from various global locations' and is a Uptime Monitor service in the network & admin category. There are more than 100 alternatives to HetrixTools for a variety of platforms, including Web-based, SaaS, Self-Hosted, Linux and Mac apps. The best HetrixTools alternative is Uptime Kuma, which is both free and Open Source. Other great apps like HetrixTools are Netdata, UptimeRobot, Tianji and Kener.
Monitor SSL certificates, domain expirations, and service uptime in one powerful, developer-friendly dashboard.



RelayRadar is an operator-focused reliability platform that combines uptime monitoring, incident alerts, and domain intelligence into a single workflow.




Monitor your websites, APIs, and cron jobs. Get email alerts on the free plan, or add Slack, Discord & Telegram on Pro. AI Powered Incident reports and Content change detection, custom status pages, and REST API included.



Simple uptime monitoring with SSL tracking, status pages, and smart alerts. Built for developers and small teams who value simplicity.
Clovos delivers cloud observability and uptime monitoring from multiple global edge nodes so you see what your users see.



Prafero is an all-in-one website intelligence platform for auditing any site in one place. It analyzes SEO, performance, security, DNS, and tech stack signals, then turns them into clear insights so founders, marketers, developers, and agencies can make faster website decisions.




Notifier monitors your websites, APIs, and servers around the clock and alerts you the moment something goes down. It checks as often as every 30 seconds and sends notifications through email, SMS, voice calls, and Slack so you never miss an outage.

Uptime monitoring and public status pages for indie SaaS founders - 1-minute checks, Slack/Discord/Telegram alerts, and custom domains. Free to start.
Easy-to-use and accurate real-time monitoring of your websites and APIs to keep you up to date with performance. In the event of an outage, we notify you immediately via email, Slack, Webhooks, SMS, Telegram, or Discord.



Web monitoring service, which checks website every 5 minutes. It detects when it's offline, redirected, broken or even hacked. Provides SMS and email notifications, statistics and logs.



Valla DNS is a modern, all-in-one domain intelligence platform designed for developers, sysadmins, and IT professionals. It simplifies complex networking tasks by providing real-time data on DNS records, global propagation, and SSL certificate status.


Uptime monitoring for developers. Monitor APIs and websites, get alerts when they go down. 25 monitors free, unlimited for $15/month.

