PageLantern
PageLantern is website, API, and uptime monitoring software for small teams, agencies, SaaS operators, and website owners. Monitor HTTP/HTTPS endpoints, APIs, SSL certificates, domain expiration, DNS records, TCP services, heartbeat and cron jobs, and critical browser flows from one workspace. PageLantern records response times and availability, creates incidents automatically, routes alerts to team channels, and provides hosted public status pages. Multi-location checks help teams identify regional failures and slowdowns. The free plan includes 15 monitors, five-minute checks, 30 days of history, one status page, and one alert channel with no credit card required. Paid plans add faster checks, browser monitoring, longer history, additional users, reports, and more status pages.
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UptimeMonk
UptimeMonk is uptime monitoring and incident intelligence software for online services and scheduled jobs. Check HTTP/HTTPS endpoints, SSL/TLS certificates, domain expiry, DNS records, TCP ports, ping/ICMP, cron jobs, heartbeats, and browser page rendering. Multi-region verification confirms failures before incidents open. Probable-cause diagnostics, evidence timelines, latency data, and recovery tracking speed investigation. Map upstream and downstream dependencies, identify critical paths, correlate overlapping incidents, and review evidence-linked impact summaries. Signed GitHub and GitLab deployment webhooks add nearby releases to incident timelines without repository access. Publish branded public status pages with live component health, incident updates, maintenance notices, and availability history. UptimeMonk provides scheduled maintenance, configurable alerts, on-call escalation, email, chat and webhook integrations, team roles, audit history, SLA reports, and CSV exports.
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Pulsecima Pulse
Pulsecima Pulse is a hosted uptime and response-time monitoring service for websites and HTTP endpoints. It checks URLs from Virginia, Ireland, and Singapore, and confirms an incident only when at least two fresh regions report a failure. This regional confirmation helps teams distinguish service outages from failures observed by a single monitor. Features include public status pages, maintenance windows, SSL-expiry and response-time alerts, uptime reports, and alert routing through email, Slack, webhooks, and PagerDuty; Slack and webhooks are available on Basic and Pro, while PagerDuty is available on Pro. Basic and Pro plans include heartbeat monitoring for cron jobs and scheduled tasks, using a unique ping URL to detect missed check-ins. The service is aimed at developers and teams responsible for websites, APIs, SaaS services, and scheduled jobs. A free plan covers up to three monitored URLs; paid plans are billed per active URL.
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FourSight
FourSight is multi-region uptime monitoring built to stop alert fatigue. Every check runs from four regions (US, Canada, Europe, Asia-Pacific) and a quorum-based consensus policy confirms an outage from more than one region before anyone is paged, so a single flaky vantage point never wakes you at 3 AM. Eight check types cover HTTP/uptime, keyword/content, SSL certificate expiry, DNS drift, domain expiry (RDAP), ping latency, TCP/UDP port checks and heartbeat monitoring for cron jobs and backups. Alerts go out by email, Slack, HMAC-signed webhooks and SMS, with escalation policies and maintenance windows to keep noise down. Public status pages are included on every tier (white-label with custom domains on Scale), plus incident management with timelines, multi-user organizations with roles, and uptime/latency history with regional breakdowns.
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