Alternatives

Products that do what Notifier does

Free Uptime Monitoring Built for Bootstrappers

1. 1
   Pulsetic▲204

   Status pages and website uptime checker—no expert needed!

   2024

2. 2
   Simple Uptime▲203

   Monitor the health of your websites and servers inside Slack

   2024

3. 3
   Monitor Buddy▲131

   Simple & cheap uptime monitoring service

   2021

4. 4
   Free Monitoring Suite by WebGazer▲338

   Monitoring for websites, APIs, and cron jobs

   2024

5. 5
   easyping.▲110

   Uptime monitoring made super easy 📯.

   2020

6. 6
   Pulsetic▲240

   Website uptime monitoring, alerts, status pages & badges

   2022

7. 7
   Freshping by Freshworks▲245

   Free forever website monitoring & status pages 🤩

   2018

8. 8
   UptimeRobot App 2.0▲199

   Web, SSL, ports & Cron-jobs monitoring

   2021

9. 9
   Whydown▲3

   Website monitoring with instant downtime alerts.

   Jul 2026 · whydown.org

10. 10
    66uptime▲98

    Self-hosted & easy to use uptime monitoring software.

    2022

11. 11
    Uppi▲34

    Uptime monitoring and alerting, open-source & free

    2025

12. 12
    Uptrue▲9

    Monitor what matters. Get alerted when it breaks.

    May 2026 · uptrue.io

13. 13
    Tell Me When Down▲6

    Uptime monitoring & a free website security scan

    Jul 2026 · tellmewhendown.com

14. 14
    UpStat▲7

    Uptime monitoring - WhatsApp alerts, status page & more

    Mar 2026

15. 15
    PingWatch — Uptime Monitoring▲16

    Monitor your websites 24/7. Get instant downtime alerts.

    Jun 2026 · pingwatch.netlify.app

16. 16
    Vigilmon▲3

    Free uptime monitoring + SSL expiry alerts + status pages

    Jun 2026 · vigilmon.online

17. 17
    Pulsewatch▲2

    Simple uptime & SSL monitoring for client sites

    Jul 2026 · pulsewatch.cc

18. 18
    ProSiteMonitor▲6

    Monitor your website uptime, SSL, domain — 24/7

    Nov 2025

19. 19KA
    Kuvasz – an open-source uptime and SSL monitoring service▲29

    A few months ago I took out my side project - an uptime & SSL monitoring service - from the drawer. I've decided to give it a new life and completely overhauled it, added a lot of new feature, and most importantly, a UI. Highlights - configurable uptime & SSL monitoring - Telegram, Slack, PagerDuty & E-mail notifications (more to come!) - fully-fledged REST API - a responsive, modern & fast UI - monitors are optionally configurable via a single YAML file, or you can choose to use either the UI or the API to maintain them - Cloud-native, distributed as amd64 and arm64 images - Only one…

    2025 · kuvasz-uptime.dev

20. 20
    AlertsDown▲5

    Simple uptime/SSL monitor with instant alerts

    Dec 2025

21. 21
    Domain Monitor: SSL & Uptime▲4

    Simple uptime monitoring for your domains, SSL, and latency.

    May 2026 · domainmonitor.samtech.solutions

22. 22
    Web-alert.io — Uptime Monitoring▲7

    Instant uptime alerts. Stay online, stay confident.

    Dec 2025

23. 23
    Upleus▲3

    Uptime monitoring with WordPress security scanning.

    Apr 2026 · upleus.com

24. 24
    URLWatch.io▲2

    Website & api monitoring tool

    Jan 2026

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