CLUSTER AVAILABILITY-MONITORING-UPTIME · 88 ENTRIES · EARLIEST ENTRY 2016-07-14
Uptime monitoring and status pages
This cluster covers open-source and self-hosted uptime monitoring tools that check websites, APIs, and services, alert on outages, and often publish status pages. Dated entries before the index began appear sporadically from 2016-07 through 2025, then concentrate in 2026, with the largest monthly counts in May, June, and July 2026. Traction leaders by activity signal are WebMetricsX (7 stars), pulse (12 stars), and middle-monitor (3 stars).
Entry timeline
ENTRY TIMELINE
Each bar is the month a member carries, which is a creation date where the source published one and a crawl date otherwise. Nothing in the index was found before 11 August 2026, and coverage broadened sharply on 14–15 August, so a bar from then on reports how much we found that month, not how much was built; an earlier bar reports how far back a member's own source dated it — not how long we have been watching.
Members by activity
Activity signals, not revenue.
Build origin · 1 hand-coded · 19 unlabelled
Operator · 11 hobby · 1 indie · 1 commercial · 7 unlabelled
Two labels per entry, never collapsed into one: how it was built, and who stands behind it. Counted over the 20 listed below. Unlabelled means nothing has decided yet — not that the answer is small.
- 01WebMetricsX7★1 molivehobbyWeb platform that monitors website uptime, performance, and SEO health in real time, providing live dashboards for website owners.
- 02pulse12★1 molivehobbySelf-hosted web application that monitors uptime and API endpoints, runs scheduled checks, and displays status dashboards.
- 03middle-monitor3★3 dayslivecommercialSelf-hosted monitoring platform that combines uptime checks, host metrics, errors, traces, logs, and alerts that explain likely causes.
- 04django-statuswatch2★1 molivehobbySaaS uptime monitoring tool that runs automated health checks across tenant accounts and displays real-time dashboards with subscription billing.
- 05bekci1★9 dayslivehobbySelf-hosted monitoring app that tracks uptime and response times for websites, services, and servers, and shows the status in a web interface.
- 06upwatch1★8 days—hobbySelf-hosted uptime monitor that checks a set of URLs and shows status, response times, and history in a local dashboard and command-line interface.
- 07Systems-Availability-Monitoring-System1★2 days—hobbyMonitoring app that checks website and service availability, records incidents,and displays an uptime dashboard.
- 08cloudflare-heartbeat1★19 days—hobbySelf-hosted uptime monitor that tracks heartbeat pings from services and sends Telegram alerts when a monitored service goes down.
- 09pulseping1★1 moliveindieUptime monitoring platform with 10-second polling, AI root-cause diagnostics, and public status pages for developers.
- 10PingFlare1★16 days—hobbySelf-hosted status page and uptime monitoring service that publishes incidents, scheduled maintenance, and sends alert notifications.
- 11api-monitor2★1 mo—hand-codedhobbyA desktop application that monitors the status of API channels and displays their availability.
- 12uptimemonitor1★1 molivehobbyWeb application that monitors website availability and offers a project management dashboard for tracking tasks and uptime.
- 13Pingusha2★1 mo—Web-based monitoring system that tracks remote site availability through ping requestsand displays status on a map.
- 14uptime-monitoring0★today—Uptime monitoring platform that runs health checks on web services and publishes public status pages with availability history.
- 15Uptime-Flare0★23 days—Serverless uptime monitoring service that tracks website availability and generates status pages with alerts.
- 16statoss-standalone0★8 days—Self-hosted status page service that monitors website uptime, records history, shows trends, and sends email alerts on failures.
- 17mt-uptime-selfhost0★15 daysliveSelf-hosted uptime monitor that watches websites, servers, databases, and certificates, alerts on failures, and publishes a status page.
- 18edgeone-uptime0★23 days—hobbyWebsite monitoring app that checks availability from Chinese nodes, displays live heartbeat history on a status dashboard, and sends chat alerts when sites go down.
- 19tech-sentinel-monitor0★16 days—Self-hostable uptime monitoring platform with HTTP, TCP, ping, and heartbeat probes, alerting, and status pages.
- 20sentinel-uptime0★10 days—Web app that monitors website uptime and alerts teams when services go down.
Ranked by traction, highest first, and paged 20 at a time — this is a window on the cluster, never the whole of it. Ties are broken by a stable id so a product cannot appear on two pages or fall between them. Browse every cluster.