Tag
13 catalogue entries use this topic; each Project's license policy is labeled separately.
Real-time infrastructure monitoring with per-second metrics and alerts
Netdata is a self-hosted monitoring agent that collects per-second metrics from systems, containers, and applications, with built-in dashboards, alerts, and anomaly detection.
Open-source metrics monitoring with PromQL queries and alerting
Prometheus is an open-source monitoring system that scrapes metrics into a dimensional time-series database and evaluates PromQL rules for alerting.
Open-source observability with logs, metrics, and traces in one tool
SigNoz is an OpenTelemetry-native observability platform that combines logs, metrics, and traces with APM, dashboards, and alerts in one tool.
Open-source observability for logs, metrics, traces and RUM in one binary
OpenObserve is an open-source observability platform that unifies logs, metrics, traces, RUM and AI model telemetry in one Rust binary backed by object storage.
Self-hosted endpoint monitoring with status pages
Gatus is a self-hosted monitor that probes HTTP endpoints, DNS records, and other services on a schedule and publishes the results on a status page.
Open-source cron job monitoring with dead-man's-switch alerts
Healthchecks is an open-source cron job monitor: each job gets a unique ping URL, and Healthchecks alerts you when a job misses its schedule. Hosted service covers 20 jobs free; the BSD-3-Clause codebase self-hosts on Python, Django, and PostgreSQL or MySQL.
Open-source uptime monitoring, incident response, and status pages in one platform
OneUptime is an open-source monitoring and incident platform with uptime checks, on-call alerting, status pages, and correlated logs, metrics, and traces, self-hosted or as a managed cloud.
Self-hosted monitoring for networks, servers, and cloud
Zabbix is a self-hosted monitoring platform that tracks networks, servers, virtual machines, and cloud services from one distributed setup, with agents and agentless checks feeding dashboards, alerting, and escalation under a free AGPL license.
Open-source APM with traces, metrics, and logs in one UI
Uptrace is a self-hosted APM that collects OpenTelemetry traces, metrics, and logs into one UI with dashboards, alerting, and PromQL-style queries.
Agent-based infrastructure and application monitoring for hybrid IT
Checkmk is a self-hosted monitoring platform for servers, networks, containers, and cloud services, with automatic discovery and alerting built in.
Open-source infrastructure monitoring with distributed checks and alerting
Icinga is open-source infrastructure monitoring for servers, networks, and services, with distributed checks, alerts, and self-hosting under a GPL licence.
Open-source host, service, and network monitoring with plugins and alerts
Nagios Core is an open-source host, service, and network monitoring program that runs checks through plugins and sends alerts when problems occur.
Self-hosted alert intelligence with AI root-cause analysis for on-call teams
Wachd is a self-hosted alert intelligence platform that takes webhooks from Grafana, Datadog, and Prometheus, gathers context, strips PII, correlates events into a causal timeline, and sends a plain-English diagnosis to the on-call engineer.