metrics

oxynote

+105

An open‑source technical wiki connected to the systems it describes

dns-blocklists

+270

DNS-Blocklists: For a better internet - keep the internet clean!

supervision

+146

We write your reusable computer vision tools. 💜

grafana

+126

The open and composable observability and data visualization platform. Visualize metrics, logs, and traces from multiple sources like Prometheus, Loki, Elasticsearch, InfluxDB, Postgres and many more.

prometheus

+125

The Prometheus monitoring system and time series database.

openobserve

+106

Open source observability platform for logs, metrics, traces, RUM (web, android, ios), Session replay, pipelines, SLO and LLM observability. A sophisticated, simple and highly performant alternative to Datadog, Splunk, and Elasticsearch with 140x lower storage costs and single binary deployment.

VictoriaMetrics

+47

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

SigNoz/signoz

+47

SigNoz is an open-source, OpenTelemetry-native observability platform for your team and their AI agents. Get logs, metrics, and traces in one tool with features like APM, distributed tracing, log management, infra monitoring, etc. Combined with SigNoz MCP and a native AI teammate (in SigNoz Cloud) it helps you build more resilient apps.

monoscope

+28

Monoscope lets you ingest and explore your logs, traces and metrics. We store these in S3 compatible buckets. Query in natural language via LLMs.