A monitoring tool that checks not just whether your website is online, but whether logins, forms and checkout actually work — with a screenshot as proof when something breaks.
crawlpanel.com
#alerting
30 tools curated in this category — including CrawlPanel, IncidentRelay, Versus Incident
techFind on mySelectas all sites and tools related to alerting. This selection of 30 resources is reviewed and maintained by the community. The most popular include CrawlPanel, IncidentRelay, Versus Incident. Each tool comes with a review, tags, comparisons and alternatives to help you make the best choice.
A free, self-hosted answer to "who's on call tonight and how do we wake them up if something breaks" — schedules, escalations, and alert routing that you run on your own servers instead of paying a per-seat SaaS like PagerDuty.
incidentrelay.io
A self-hosted alert router that also tries to learn what "normal" looks like for your system, so it pages someone only for genuine anomalies instead of every rule-based threshold trip — free, open source, plugs into your existing monitoring and on-call to
github.com
Self-hosted status page platform with incident tracking, scheduled maintenance, and email/SMS subscriber alerts.
yasp.io
Self-hosted uptime monitoring and status pages with a typed Go/React stack and 20+ alert channels.
peekaping.com
Free, self-hosted uptime and server monitoring with a modern dashboard, themed status pages, and 15+ notification channels.
github.com
Open-source expiration tracker for certificates, API tokens, secrets and licenses, with alerts and automated renewal, self-hosted or cloud.
tokentimer.ch
An uptime monitoring service with automated health checks and public status pages.
uptimepage.dev
A monitoring service that automatically tracks breaking changes and deprecations across your external API dependencies.
apirift.com
Watches your website or API from four continents at once and only pages you when the outage is confirmed from multiple locations — so a single flaky network route doesn't wake you up for a false alarm at 3am.
larm.dev
A hosted page where a company tells its customers "yes, we know it's down, here's what's happening" during an outage — plus the monitoring and alerts that spot the outage in the first place.
statuspal.io
A privacy-focused API monitoring tool that shows you request metrics, errors, and traces for your backend with a few lines of setup, across 23+ frameworks in Python, Node.js, Go, C# and Java.
apitally.io
Sends real-time alerts whenever a company's CEO, CFO or board member changes, pulled straight from SEC filings and press releases.
tracksuccession.com
An on-call and incident response platform that pulls alerts from over 150 monitoring tools into one place and pages the right person automatically.
zenduty.com
An AI 'site reliability engineer' for Kubernetes that finds the cause of production incidents on its own and opens a pull request with the fix.
metoro.io
Tracks any webpage for changes and alerts you the moment something meaningful updates — price drops, new listings, restocked items.
sitespy.app
A remote control for your AI coding agents — Pushary sends a notification to your phone whenever Claude Code, Cursor or a similar agent wants to do something risky, so you can approve or deny it from your lock screen instead of babysitting a terminal.
pushary.com
An AI pager that tries to investigate and fix the problem itself before waking up an on-call engineer at 3am.
vibraniumlabs.ai
AI-native observability platform that lets engineers debug production issues by asking questions in plain language instead of digging through logs.
sazabi.com
Observability platform for debugging production systems with distributed tracing, BubbleUp anomaly analysis, and AI-assisted querying.
honeycomb.io