Alternatives to Port Monitor for all platforms with any license

  • UptimeRobot icon

    UptimeRobot

    Dashboard with 50 Monitors, Checked Every 5 Minutes, Totally Free. Monitor HTTP(s), Ping, Port and check Keywords. Get alerted via...

    Free Web / Cloud

  • Nagios icon

    Nagios

    Nagios is a powerful monitoring system licensed under Nagios Enterprises that helps organizations identify and resolve IT...

    Open Source Linux

  • Pingdom icon

    Pingdom

    Pingdom web site monitoring and other infrastructure for you and instantly let you know when anything goes wrong. Measure uptime...

    Commercial Web / Cloud Android iPhone

  • StatusCake icon

    StatusCake

    StatusCake enables the visitor to track unlimited websites for free and get alerts when the site is down or having trouble. StatusCake...

    Freemium Web / Cloud

  • PHP Server Monitor

    PHP Server Monitor is a script that checks whether your websites and servers are up and running. It comes with a web based user...

    Open Source Windows Linux BSD Self-Hosted PHP

  • Cabot

    Self-hosted, easily-deployable monitoring and alerts service - like a lightweight PagerDuty

    Open Source Self-Hosted

  • Is It Down Right Now? icon

    Is It Down Right Now?

    "Is It Down Right Now" monitors the status of your favorite web sites and checks whether they are down or not. Check a...

    Free Web / Cloud

  • Monitis icon

    Monitis

    Monitis is a Cloud monitoring and IT analytics service offering Website Monitoring, Server Monitoring, Network Monitoring, Application...

    Freemium Web / Cloud

  • PushMon icon

    PushMon

    PushMon is a new kind of cloud-based monitoring system. Instead of checking public facing servers on a regular basis, PushMon will...

    Freemium Web / Cloud

  • Nodeping icon

    Nodeping

    NodePing Server Monitoring and Web Site Monitoring. Simple but powerful Internet service monitoring. Checks as frequent as once a...

    Commercial Web / Cloud

  • AppBeat Monitor Mobile icon

    AppBeat Monitor Mobile

    Don't lose your customers because your service is down! Monitor your websites and cloud services from multiple geographic...

    Freemium Android Android Tablet

  • Dotcom-Monitor icon

    Dotcom-Monitor

    Website & Web Application Monitoring Dotcom-Monitor instantly alerts you when your website has problems. Detailed diagnostics...

    Commercial Web / Cloud

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  • Binary Canary icon

    Binary Canary

    Website monitoring service that offers a comprehensive free plan with: * escalation levels (if a first-responder contact doesn't...

    Freemium Web / Cloud

  • NotiPage icon

    NotiPage

    NotiPage is a free webpages monitoring software. Once you've configured a monitoring alert related to a specific webpage, NotiPage...

    Free Windows

  • Site Down icon

    Site Down

    Site down outage and downtime reports from SiteDown.co

    Free Web / Cloud

  • Monitoshi icon

    Monitoshi

    Website uptime monitoring. Be notified by email when your site is down. Free and open source, monitor as many URLs as you want. You...

    Open Source Web / Cloud

  • Montastic icon

    Montastic

    The website monitoring service that doesn't suck. Get an email when your website goes down. Statuses are available by email, web...

    Freemium Web / Cloud

  • Panopta icon

    Panopta

    Panopta provides advanced network & server monitoring for online businesses & service providers. We go beyond basic monitoring...

    Commercial Windows Linux Web / Cloud Android iPhone iPad

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  • Monitority icon

    Monitority

    Monitority is a free & reliable website monitoring service that enables users to track unlimited services (websites, urls or ip...

    Free Web / Cloud

  • Site24x7 icon

    Site24x7

    Comprehensive website and web application monitoring: * simulate a real browser (Firefox) to check performance * services monitoring...

    Freemium Web / Cloud

  • Webcron icon

    Webcron

    Webcron offers website uptime monitoring, plus the possibility of setting up and running cron jobs.

    Commercial Web / Cloud

  • AppBeat icon

    AppBeat

    We monitor your websites and alert you when they fail (failure is confirmed from multiple probe locations). Integrated also public...

    Freemium Web / Cloud

  • Monitive icon

    Monitive

    Monitive delivers reliable, simple, efficient monitoring services for websites, MySQL, FTP, POP3, IMAP, DNS and many other. All this...

    Freemium Web / Cloud

  • HappyApps icon

    HappyApps

    Sophisticated Uptime Monitoring for your Apps, DBs, IT systems, and business services. Get pro-active alerts and fix incidents with...

    Freemium Mac Windows Linux Web / Cloud

  • Monitor Scout icon

    Monitor Scout

    Monitor Scout is a leading website and server monitoring company, with a wide selection of flexible, high quality services. The...

    Free Windows Linux Web / Cloud

  • Uptime Doctor icon

    Uptime Doctor

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

    Free Web / Cloud

  • WebGazer icon

    WebGazer

    WebGazer is a cloud based website and server monitoring service. Simply, we gaze on your website and services and notify you when an...

    Freemium Mac Windows Linux Web / Cloud

  • AgentSlug.com icon

    AgentSlug.com

    AgentSlug.com is simple but perspective application to monitor your website. For now, you can find there a full featured uptime...

    Freemium Web / Cloud

  • Are My Sites Up? icon

    Are My Sites Up?

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

    Commercial Web / Cloud

  • HostTracker

    Possibility to receive error notifications both to your Email, ICQ, GTalk or cell-phone via SMS; Possibility to receive specified...

    Commercial Web / Cloud

  • WatchMouse icon

    WatchMouse Discontinued

    Founded in February 2002, WatchMouse is a global industry leader in self-service website and application performance monitoring. ...

    Commercial Web / Cloud

  • op5 Monitor icon

    op5 Monitor

    Our open and flexible server and network monitoring solution delivers a unified view of your entire IT environment.

    Freemium Linux iPhone iPad

  • downornot.net icon

    downornot.net

    This service allows you to check whether a website is online or not. Is the website down for just you or for everyone?

    Free Web / Cloud

  • Pingoscope icon

    Pingoscope

    Pingoscope will carefully monitor your website and alert you instantly if it goes down. Unlimited email SMS, Skype, Phone Call...

    Freemium Web / Cloud

  • Private-API

    Minimalistic external website monitoring solution, still in alpha but is going to be released with all monitoring features soon

    Free Mac Windows Linux Web / Cloud Android

Port Monitor Comments

Port Monitor, Simply the best we have used! 1 Helpful

Positive Comment by eugeneashtonvanstaden
about Port Monitor Aug 2016

We have used every service out there and found Port Monitor to be the very best of the best.

Keep it up Team and thank you for your great service and also very affordable as your awesome services are well worth it and has saved our skin more than once.

Reply

Best web monitoring 1 Helpful

Positive Comment by Joshuaka
about Port Monitor Mar 2014

Easy to use and free 1 minute checking

Reply

In port monitor we trust 1 Helpful

Positive Comment by juanpex
about Port Monitor Jul 2013

This app literally change our day.
Thanks!

Reply

Great tool 1 Helpful

Positive Comment by User8383560
about Port Monitor Jun 2013

I've just started using it (since I was looking for a free alternative to .....dom.com) and I really enjoy it !
iOS app for push notifications would be even better, maybe we will have this in a future update.
Great jobs guys !

Reply