Uptime Monitor Services

Gather and analyze accurate statistics and performance metrics, visualize it, get notified about current and potential issues without delay, and take advantage of our time-tested professional development and support.

Advanced self-hosted tool for tracking uptime across multiple services with reactive UX, interval checks, various notifications, and multi-language support.

Website monitoring with alerts via calls, texts, and more. Includes on-call scheduling, calendar sync, incidents timeline, and status page sharing.

Unified analytics and uptime platform, optimized for casual users with a streamlined, deploy-anywhere approach.

Monitor up to 50 sites with 5-minute intervals for free. Receive alerts by email, SMS, calls, and integrate with platforms for seamless updates.

Pingdom web site monitoring and other infrastructure for you and instantly let you know when anything goes wrong. Measure uptime, downtime, and the performance of your website as experienced by visitors.

An easy way to check whether a website is down for everybody, or just your own computer.

Comprehensive network monitoring includes up/downtime tracking, traffic analysis, and performance metrics using SNMP, WMI, and NetFlow protocols.

Get a status page in seconds. Stop wasting time to reply to endless status questions. Avoid downtime frustration. Rebuild customer trust.

HetrixTools is a 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.

StatusCake.com is a free website monitoring tool which allows users to track up to 10 websites and get alerted when their site is down or is having trouble. Downtime root cause analysis is included in the free plan to help users diagnose and fix issues.

Cabot is a free, open-source, self-hosted infrastructure monitoring platform that provides some of the best features of PagerDuty, Server Density, Pingdom and Nagios without their cost and complexity.

Monit is a free open source utility for managing and monitoring, processes, programs, files, directories and filesystems on a UNIX system. Monit conducts automatic maintenance and repair and can execute meaningful causal actions in error situations.

OpenStatus is an open source monitoring services with on-call managements.

Healthchecks.io is a service for monitoring cron jobs and similar periodic processes:

Get website downtime alerts by phone call, SMS, email or Slack if your website is down. Create beautiful status pages & incident management reports and keep your visitors updated.

Enterprise-ready monitoring solution that provides unparalleled flexibility for IT to address both immediate and unforeseen operational issues, including infrastructure and IT processes.

Uptime.com: Real-time availability monitoring & response for preventing website downtime. Your complete website monitoring solution.

Advanced hosted status pages. Offering a complete REST API, native curl-like monitoring, metrics, semantic statuses, informational, maintenance, and scheduled issues, and more.

Uptime monitoring service with built-in Statuspages.

Errsole is a free open-source logger for Node.js applications. It comes with a built-in log viewer to view, filter, and search your application logs.

PHP Server Monitor is a script that checks whether your websites and servers are up and running. It comes with a web based user interface where you can manage your services and websites, and you can manage users for each server with a mobile number and email address.

Pulseway offers a full IT stack of software and services to help you look after all your IT needs. All simple to use, integrated into one platform.

Pinpoint and solve performance issues in your Ruby, Java, .NET, PHP and Python apps with real user, application and server monitoring.

Loopr is an open-source, cloud-native URL monitoring and uptime tracking platform. It features real-time health checks, intelligent alerting, distributed worker nodes, and detailed analytics for websites and APIs.