isUp alternatives

  • UptimeRobot

  • Monitors your websites every 5 minutes, totally free. Get alerts by e-mail, SMS, Twitter or RSS. Add up to 50 websites. Monitors can be refreshed for an instant check with a click. Supports https and authentication with user/password.

    tags: let-s-encrypt-support public-status-page twitter-notification uptime-monitoring
    platform: Online
  • Pingdom

  • 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.

    tags: performance-monitoring transactional-monitoring uptime-monitoring website-monitoring
    platform: Online Android iPhone
  • Cachet

  • Cachet is a simple to use and easy to manage status page system and can be easily installed and used to track third party service letting your users know what's going on.

    tags: statusboard status-page hosted-status-page statuspage
    platform: Online Self-Hosted
  • StatusCake

  • StatusCake enables the visitor to track unlimited websites for free and get alerts when the site is down or having trouble. StatusCake also tracks performance over time so a webmaster can detect issues because they arise.

    tags: monitoring network-administration network-monitoring sms-notification status
    platform: Online
  • MxToolBox

  • Monitors the performance of your websites, DNS, and email servers along with blacklist monitoring. Get alerts by e-mail and SMS. Add 1 monitor for free. Plus free online network and DNS lookup tools.

    tags: blacklist-monitoring email-monitoring free-network-tools network-monitoring network-utility
    platform: Online

  • is an open source software and a freemium service that helps you manage and monitor virtual machines (VMs) across multiple public, private and hybrid clouds using your mobile phone, tablet or laptop.

    tags: aws aws-monitoring cloud-computing cloud-monitoring devops
    platform: Online
  • Stashboard

  • Stashboard is a status dashboard for APIs and software services. It's similar to the Amazon AWS Status Page or the Google Apps Status Page.

    tags: Discontinued statusboard
    platform: Online Discontinued

  • is the best way for web infrastructure, developer API, and SaaS companies to get set up with their very own status page in minutes. Integrate public metrics and allow your customers to subscribe to be updated automatically.

    tags: status-page hosted-status-page
    platform: Online
  • statuspage

  • A simple self-hosted status page site with an API written in Django under the BSD license.

    tags: status statusboard status-update
    platform: Linux Python Django
  • Hund

  • Hosted status pages with a focus on automation of monitoring and notifications, for keeping your audience informed of uptime issues.

    tags: cloud-monitoring hosted-status-page push-subscriptions status-page uptime-monitoring
    platform: Online
  • Nodeping

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

    tags: website-monitoring website-checker service-monitoring
    platform: Online
  • Port Monitor

  • Port Monitor is an easy and online tool that does website and server monitoring for you 24/7 every 60 seconds and sends you or your co-workers instant email/push notifications when something goes wrong.

    tags: notifications server-monitoring uptime-monitoring website-monitoring
    platform: Online
  • Monitis

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

    tags: application-monitoring cloud-monitoring load-testing network-monitoring performance-testing
    platform: Online
  • Site monitoring

  • Free open-source website monitoring software, easy to set up and use for monitoring web sites. You can monitor single web pages, multiple web pages, pages in sitemap and even your whole web site using spider. You can check HTTP result codes and even contents of the checked pages. Website checking is done periodically using build-in cron mechanism. In case of a check failure, application will automatically send email to site administrator.

    tags: application-monitoring monitoring monitoring-software page-speed server-monitoring
    platform: Mac OS X Windows Linux
  • NIXStats

  • Uptime monitor for server. Currently fully free (beta) so it is subjected to change. Allows to monitor unlimited servers and websites. With custom CNAME you can create live status pages.

    tags: downtime-detection linux-monitoring monitoring server-monitoring uptime-monitoring
    platform: Online