Dev tools · alternatives · 2026
24 alternatives to DownNotifier
Get an alert when your website is down 🚨
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. DownNotifier launched in 2016; newer entries below may have overtaken it.
- 1
StatusOk (Open source)â–²134Get notified through Slack/email when your website is down
2016 · github.com · its alternatives →
- 2
The essential tool for checking if a website is up or not
2015 · downforeveryoneorjustme.com · its alternatives →
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WebCheckâ–²65Get notified whenever some of your websites are down
2020 · webcheck.vercel.app · its alternatives →
- 5
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Monitor v2 [Retired]â–²129Alert your entire team when your site goes offline.
2015 · brandongreen.co · its alternatives →
- 7
Uptime Monitorâ–²76Get instant alerts when your website goes down.
2023 · uptime-monitor.io · its alternatives →
- 8
Alertphantâ–²107Get notifications when something unusual happens to your ads
2021 · its alternatives →
- 9
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slalert!â–²126Get notified in Slack when your company/keyword is mentioned
2015 · slalert.com · its alternatives →
- 11
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SweetAlertâ–²189A beautiful replacement for JavaScript's alert()
2014 · sweetalert.js.org · its alternatives →
- 17UW
2012 · usefulping.com · its alternatives →
- 18
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PushPrimeâ–²211Supercharge your website with push notifications
2017 · business2community.com · its alternatives →
- 20
When2Leaveâ–²171Get an alert when your commute time drops below _____
2016 · when2leave.com · its alternatives →
- 21
Downtime Monkeyâ–²69Website downtime alerts & uptime monitoring
2018 · downtimemonkey.com · its alternatives →
- 22
SiteIsDead.devâ–²11Phone alerts for website downtime | real-time monitoring
Nov 2025 · siteisdead.dev · its alternatives →
- 23
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →