VictoriaMetrics: fast, cost-effective monitoring solution and time series database

Cloud-native search engine for observability. An open-source alternative to Datadog, Elasticsearch, Loki, and Tempo.

An open-source, cloud-native, unified time series database for metrics, logs and events, supporting SQL/PromQL/Streaming. Available on GreptimeCloud.

OpenTelemetry Collector

一款内网综合扫描工具，方便一键自动化、全方位漏扫扫描。

Nightingale for monitoring and alerting, just as Grafana is for visualization.

Apache HertzBeat(incubating) is a real-time monitoring system with agentless, performance cluster, prometheus-compatible, custom monitoring and status page building capabilities.