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.
Prometheus GitHub Repositories (2026) · Open Source Tools
Discover the best Prometheus open source repositories on GitHub. Explore trending tools, live star counts, source code, and developer projects updated daily.
Like Prometheus, but for logs.
The fastest path to AI-powered full stack observability, even for lean teams.
SRE Agent - CNCF Sandbox Project
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.
The open-source observability database. One columnar engine for metrics, logs, and traces, on object storage.
🐋 Ansible playbook which helps you host various FOSS services as Docker containers on your own server
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.
Rust profiler for CPU, memory, SQL, HTTP, and async performance, with Prometheus and Grafana support.
Exposes information gathered from Proxmox VE cluster for use by the Prometheus monitoring system
Exporter for machine metrics
Grafana Mimir provides horizontally scalable, highly available, multi-tenant, long-term storage for Prometheus.
The CNCF sandbox for observability visualisation. Supports Prometheus, Tempo, Loki, Pyroscope, and more!
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
APM, Application Performance Monitoring System
The Rust OpenTelemetry implementation
Synthetic monitoring engine with Playwright and Prometheus metrics
Continuous profiling for analysis of CPU and memory usage, down to the line number and throughout time. Saving infrastructure cost, improving performance, and increasing reliability.