Dotcom-Monitor

Website & Web Application Monitoring Dotcom-Monitor instantly alerts you when your website has problems. Detailed diagnostics enable you to take quick corrective...

Commercial Web

SPM ­Performance Monitoring

Proactive performance monitoring, anomaly detection, and alerting solution available in the Cloud and On Premise

Freemium Web

Are My Sites Up?

SIMPLE Website monitoring. If your website goes down, shouldnt YOU be the first to know about it?

Commercial Web

SeaLion

SeaLion is a FREE Linux server monitoring and debugging tool for easy troubleshooting across hundreds of servers. View raw output of critical events across your servers...

Freemium Linux Web

Uptime Doctor

You can monitor up to 5 URLs with 1-minute monitoring interval, for FREE!

Free Web

Pingometer

Pingometer is a service that monitors the uptime, downtime, and performance of websites. You can monitor anything: HTTP, HTTPS, RUM, DNS, IMAP, POP3, SMTP, TCP, UDP...

Freemium Web

EZ Website Monitoring

EZ Website Monitoring provides keyword rank tracking, uptime monitoring, and error checking for your website.

Freemium Web

updown.io

updown.io is a HTTP monitoring solution with a clean UI and a cheap and simple pricing. It notifies you of downtimes by email or SMS and provides a public status page...

Commercial Web

isUp

An intuitive website monitoring tool. You get: 25 monitors, checked every 3 minutes. Totally free!.

Free Web

Monitor Scout

Monitor Scout is a leading website and server monitoring company, with a wide selection of flexible, high quality services. The reliable web-based system monitors your...

Free Windows Linux Web

AppDynamics

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

Free iPhone

Glowroot

Trace capture for slow requests and errors Continuous profiling (with very handy filtering) Response time breakdown charts Response time percentile charts SQL...

Free Open Source Self-Hosted

MonitorHub

Monitor your website from worldwide locations 24x7 and be the first to know when your website is down. Receive instant alerts via SMS, email & twitter. Detailed...

Commercial Android iPhone Web

Pingrely Website Monitor

24x7 Monitoring Our monitoring is performed with a frequency of 60 seconds, 24 hours, 365 days a year. This way you will be the first to know against any incidence.

Freemium Mac OS X Windows Linux

Uptime

uptime is a remote monitoring application using Node.js, MongoDB, and Twitter Bootstrap.

Free Open Source Web Node.JS MongoDB

Servers Alive

Servers Alive is an end-to-end network monitoring tool running on Windows 2003/2008/XP/Vista/7. It works agentless and across operating systems. Its checks and alerts...

Commercial Windows Linux

AppSignal

Monitoring for Ruby developers. All the metrics and alerts you need to keep your app running smooth. Support for Rails, Rack, Sinatra, Padrino & Grape.

Commercial Mac OS X Windows Linux BSD

Polyseer.io

The Polyseer.io SaaS platform allows software developers as well as DevOps to automate cloud infrastructure monitoring. The real-time web-dashboard let's software...

Commercial Web

ServersUp.net

ServersUp.net can check a number of different services on different hosts to make sure those services are up and running. It will send alerts when the statuses change.

Free Web

Servitor.io

Servitor is the easiest way to monitor your servers and website for resources, uptime, ssl certificates, mixed contents en broken links.

Freemium Linux Web