Sematext Cloud
Sematext Cloud is an innovative, unified platform with all-in-one solution for infrastructure monitoring, application performance monitoring, log management, real user monitoring, and synthetic monitoring to provide unified, real-time observability of your entire technology stack.
It's used by organizations of all sizes and across a wide range of industries, with the goal of driving collaboration between engineering and business teams, reducing the time of root-cause analysis, understanding user behaviour and tracking key business metrics.
The main capabilities range from log monitoring to APM, server monitoring, database monitoring, network monitoring, uptime monitoring, website monitoring
or container monitoring
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OnlineOrNot
We monitor your websites, APIs, cron jobs, and scheduled tasks. Your team gets immediate alerts via email, SMS, Slack, PagerDuty, Incident.io, and more. You don't have to be an engineer to set it up. Simple and effective monitoring that lets you sleep a bit better at night. Check as often as every 30 seconds, and catch the issues that take your website down for less than a minute. You can configure the HTTP method, headers, and body for each check. OnlineOrNot runs every check at least twice before sending an alert, with options for even more. OnlineOrNot will check your SSL certificates for expiration and other issues, and alert you if there's a problem. You can choose to run uptime checks from one region, or all of them. Your customers rely on your products and services. Let them know your real-time status with an automatically updating status page. Add your customers as subscribers to your status page, and send consistent incident updates via email.
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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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IBM Instana
IBM Instana is the gold standard of incident prevention with automated full-stack visibility, 1-second granularity and 3 seconds to notify.
With todayβs highly dynamic and complex cloud environments, the average cost of an hour of downtime can reach six figures and beyond. Traditional application performance monitoring (APM) tools simply arenβt fast enough to keep up or thorough enough to contextualize the issues identified. Also, they are typically limited to super users who must complete months of training to learn.
IBM Instana Observability goes beyond traditional APM solutions by democratizing observability so anyone across DevOps, SRE, platform engineering, ITOps and development can get the data they want with the context they need.
Instana Dynamic APM operates using the Instana agent architecture, which incorporates sensorsβlightweight, automated programs tailored to monitor specific entities.
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