Free PagerDuty Alternatives

The best free alternative to PagerDuty is Better Stack Uptime. If that doesn't suit you, our users have ranked more than 25 alternatives to PagerDuty and 14 is free so hopefully you can find a suitable replacement. Other interesting free alternatives to PagerDuty are Cabot, AlertSleep, SIGNL4 and OpenDuty.

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Alternatives list

  1. Website monitoring service offering alerts through various channels like calls, texts, and emails, with on-call scheduling. Integrates with 100+ services like AWS and PagerDuty, provides detailed incident alerts, and shares uptime history through status pages.

    165 Better Stack Uptime alternatives

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Software as a Service (SaaS)
     
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    3
    Better Stack Uptime vs PagerDuty Comments
    Daan Van Dijk
    Positive
    2

    Great website monitoring service! I have it integrated with other apps and I get notified right after an incident occurs on my page.

    Margret Helgadottir
    Positive
    1

    High reliability and fast reaction to errors.

    Jacob Wood
    Positive
    0

    Nice app, works perfectly. Free plan available

    Review by a new / low-activity user.
    • Better Stack Uptime is Freemium and ProprietaryPagerDuty is Paid and Proprietary
  2. Cabot icon
     18 likes

    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.

    Cost / License

    • Free
    • Open Source

    Alerts

    • Discontinued

    Platforms

    • Self-Hosted
     
  3. AlertSleep icon
     1 like

    AlertSleep is a real-time uptime and SSL monitoring platform with instant alerts via email, SMS, push, and phone calls. It helps businesses prevent downtime, avoid SSL/domain issues, and ensure reliable website performance.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
     
  4. SIGNL4 icon
     3 likes

    SIGNL4 is a mobile-app-based alerting service. It provides persistent, traceable mobile notifications and reliably routes critical alerts, incidents and events to staff on duty. It directly links operations teams with critical IT, OT and IoT systems.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Android
    • iPhone
     
  5.  1 like

    An open source alerting and incident escalation tool.

    Cost / License

    • Free
    • Open Source

    Alerts

    • Discontinued

    Platforms

    • Linux
     
  6. Phare icon
     1 like

    Phare is the all-in-one platform that covers everything you need to run high-quality production websites with uptime monitoring, analytics, security, incident management, and alerting.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Software as a Service (SaaS)
     
  7. Uptime Monitor monitors your resources using HTTP/HTTPS (highly customizable), TCP, or Ping protocols. It supports multiple notification channels such as SMS, email, Slack, and Discord. In addition, Uptime Monitor can host status pages on your own domain for free.

    97 Uptime Monitor alternatives

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Software as a Service (SaaS)
     
  8. iLert icon
     3 likes

    iLert is an incident and on-call management platform for DevOps teams. iLert helps you to respond to incidents faster by adding on-call schedules, SMS, and voice alerts to your existing monitoring tools.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • iPad
     
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    2
    iLert vs PagerDuty Comments
    Guest
    Positive
    0

    Its free and a lot easier to integrate.

    Review by a new / low-activity user.
    Guest
    Positive
    0

    We've been using iLert every day for years. This is a very good and stable platform. And for us it is also a big plus that the servers are in Germany. #GDPR

    Review by a new / low-activity user.
    • iLert is Freemium and ProprietaryPagerDuty is Paid and Proprietary
  9. Parny icon
     1 like

    Parny is the AI-native platform for on-call management, incident response, uptime monitoring, and real-time infrastructure visibility with built-in service dependency mapping to protect availability and empower modern tech teams.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
    • Android
    • iPhone
    • Software as a Service (SaaS)
    • Mac
     
  10. AI-powered incident investigation and on-call assistant that analyzes alerts, infrastructure, and observability data to find root causes.

    Cost / License

    • Freemium
    • Open Source

    Platforms

    • Online
    • Software as a Service (SaaS)
    • Docker
    • Self-Hosted
     
  11. A robust web application for monitoring website uptime, performance, and SSL certificate expiration. Simple Site Monitor provides an easy-to-use dashboard to track the health of your websites in real-time.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Self-Hosted
    • Docker
     
  12. Opslane icon
     Like

    Opslane is an open-source tool that helps teams reduce alert fatigue, streamline incident response and boost team morale.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Docker
    • Mac
    • Windows
    • Linux
     
12 of 14 PagerDuty alternatives