AlertKick
AlertKick combines server security and uptime monitoring in one product. A lightweight eBPF agent for Linux detects intrusions, file changes, rootkits, and SSH activity (login alerts, failed-attempt auto-blocking, maintenance lock), with detections mapped to MITRE ATT&CK and AI triage that attaches a written verdict to each alert. External monitors check HTTP, TCP, and DNS from outside the network, with response-time thresholds, SSL certificate expiry, and domain expiry from live registry RDAP data. Heartbeat monitors catch silent cron and backup failures, and public status pages keep users informed. Alerts flow through escalation policies and on-call rosters to email, Slack, Telegram, WhatsApp, SMS, and phone calls. Server changes are recorded and attributed for compliance evidence, with PCI DSS and SOX reports on Business plans. Setup is a one-line install per server. The free plan includes 10 uptime monitors and heartbeats - no card, commercial use allowed.
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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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exit1.dev
exit1.dev is real-time uptime monitoring for websites, APIs, and infrastructure, built around a live dashboard. Probe results stream from our regional servers straight into your browser over WebSockets, so the chart and raw probe table update the moment each check finishes, with per stage timing for DNS, connect, TLS, and first byte. No refresh, no polling.
Checks run from multiple regions across HTTP, TCP, UDP, ICMP, WebSocket, DNS, and heartbeat monitors. It also tracks SSL certificate and domain expiry, validates response bodies with status codes, JSONPath, and text, and alerts through email, SMS, Slack, Discord, Teams, or webhooks.
exit1.dev ships an MCP server too, so AI assistants can create and query your monitors directly. You also get public status pages, status badges, and a REST API. The free plan includes 10 monitors with no credit card.
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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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