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.
Metrics GitHub Repositories (2026) · Open Source Tools
Discover the best Metrics open source repositories on GitHub. Explore trending tools, live star counts, source code, and developer projects updated daily.
VictoriaMetrics: fast, cost-effective monitoring solution and time series database
A self-hosted dashboard for CrowdSec: investigate alerts, manage decisions, monitor runtime metrics, and send notifications from one responsive UI.
The only tool you need to know what is happening and how to fix it.
Coroot is an open-source observability and APM tool with AI-powered Root Cause Analysis. It combines metrics, logs, traces, continuous profiling, and SLO-based alerting with predefined dashboards and inspections.
The Prometheus monitoring system and time series database.
AI observability platform for production LLM and agent systems.
The open-source observability database. One columnar engine for metrics, logs, and traces, on object storage.
A high-performance observability data pipeline.
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.
Exporter for machine metrics
Scalable datastore for metrics, events, and real-time analytics
Resolve production issues, fast. An open source observability platform unifying session replays, logs, metrics, traces and errors powered by ClickHouse and OpenTelemetry.
Grafana Mimir provides horizontally scalable, highly available, multi-tenant, long-term storage for Prometheus.
Main repository for Datadog Agent
Parseable is an open source, unified infrastructure observability platform built in Rust on a data lake architecture. It tracks logs, metrics, traces, and events across apps, agents, and systems, reducing storage costs by up to 90% through columnar telemetry compression.
Prometheus rule linter/validator
Agent for collecting, processing, aggregating, and writing metrics, logs, and other arbitrary data.
APM, Application Performance Monitoring System
The Rust OpenTelemetry implementation