failover.io is described as 'Uptime monitoring service built around one principle: the alert chain, not a single ping. Configure a sequence of channels per monitor — email, SMS, voice call, Slack, Discord, Telegram, Microsoft Teams, PagerDuty, webhook, ntfy — and each step waits for' and is a website monitoring tool in the network & admin category. There are more than 10 alternatives to failover.io for a variety of platforms, including Web-based, SaaS, Self-Hosted, iPhone and iPad apps. The best failover.io alternative is Uptime Kuma, which is both free and Open Source. Other great apps like failover.io are Better Stack, UptimeRobot, Pingdom and Tianji.
Monitors uptime and availability from 300+ worldwide locations with checks for HTTP, ping, content, SSL, domain expiration, DNSBL blacklists and more. Alerts via email, SMS, calls, messengers, webhooks, and push. Includes public status pages, tools, and REST API.
NodePing Server Monitoring and Web Site Monitoring. Simple but powerful Internet service monitoring. Checks as frequent as once a minute.
Website & Web Application Monitoring
Dotcom-Monitor instantly alerts you when your website has problems. Detailed diagnostics enable you to take quick corrective action and see troubling trends, bottlenecks and intermittent issues clearly. We monitor externally, from the end.
Uptime monitoring and status pages for indie SaaS and production AI agents (OpenClaw, agent APIs) — setup in minutes, not another observability suite.
All-in-one uptime monitoring platform- HTTP, SSL, domains, cron jobs, DNS, and status pages in one tool. 10+ global probe regions with multi-region consensus alerting to eliminate false positives.
CertWatch is a self-hosted TLS monitor that ships as a single Go binary with SQLite - no database server, no agents, no telemetry.
Website monitoring for uptime, APIs, forms, logins and checkout flows, with actionable evidence when something breaks.
Ultralight open source server monitoring agent, written in Rust. Ships CPU, RAM, disk and network metrics over OTLP to any compatible backend.
Centralizes real-time monitoring of servers, containers, Kubernetes clusters, SNMP devices, firewalls, storage, and databases in a user-friendly dashboard with alerts, multi-user support, setup wizard, REST API, customizations, mobile access, and backup options.
Native iOS, iPadOS and watchOS app for monitoring and controlling self-hosted homelab services, with no backend, account, or telemetry.
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