Awesome Observability

Like Prometheus, but for logs.

HTTP load testing tool and library. It's over 9000!

Analyzes resource usage and performance characteristics of running containers.

GoReplay is an open-source tool for capturing and replaying live HTTP traffic into a test environment in order to continuously test your system with real data. It can be used to increase confidence in code deployments, configuration changes and infrastructure changes.

Agent for collecting, processing, aggregating, and writing metrics, logs, and other arbitrary data.

Top-like interface for container metrics

Exporter for machine metrics

:tropical_fish: Beats - Lightweight shippers for Elasticsearch & Logstash

Open-source, high-performance AI gateway that works as your LLM gateway, MCP gateway and agent gateway. One OpenAI-compatible API for 10,000+ models, with failover, load balancing, semantic caching, virtual keys, budgets and MCP Code Mode. Works with any SDK or agent and adds under 200µs of overhead at 5k RPS.

Prometheus Alertmanager

An open-source and enterprise-level monitoring system.

Add-on agent to generate and expose cluster-level metrics.

A horizontally scalable, highly available, multi-tenant, long term Prometheus.

Grafana Tempo is a high volume, minimal dependency distributed tracing backend.

M3 monorepo - Distributed TSDB, Aggregator and Query Engine, Prometheus Sidecar, Graphite Compatible, Metrics Platform

eBPF Observability - Distributed Tracing and Profiling

Distributed tracing without code changes. 🚀 Instantly monitor any application using OpenTelemetry and eBPF

OpenTelemetry Collector distribution with programmable pipelines

Simple gRPC benchmarking and load testing tool

🦥 Easy and simple Prometheus SLO (service level objectives) generator

Open source framework for processing, monitoring, and alerting on time series data

Realtime log viewer with web UI, tail -f for logs with a web interface browser.

A Kubernetes operator for running synthetic checks as pods. Works great with Prometheus!

Open Source HTTP Reverse Proxy Cache and Time Series DB Query Accelerator

NVIDIA GPU metrics exporter for Prometheus leveraging DCGM

Nvidia GPU exporter for prometheus using nvidia-smi binary OR using NVML

[Moved to cloudprober/cloudprober] An active monitoring software to detect failures before your customers do.

[DEPRECATED] Promscale is a unified metric and trace observability backend for Prometheus, Jaeger and OpenTelemetry built on PostgreSQL and TimescaleDB.

Metrics dashboards on terminal (a grafana inspired terminal version)

Export Kubernetes events to multiple destinations with routing and filtering

Visualize the traffic of your clusters in realtime from Prometheus data

KubeEye aims to find various problems on Kubernetes, such as application misconfiguration, unhealthy cluster components and node problems.

Turning Kubernetes Events into spans

Track AI API quotas across Synthetic, Z.ai, Anthropic (Claude Code), Codex, GitHub Copilot & Antigravity in real time. Lightweight background daemon (<50MB RAM), SQLite storage, Material Design 3 dashboard. Zero telemetry.

A utility for managing Jsonnet dashboards against the Grafana API

An easy-to-use library for creating load testing applications

A distributed, tag-based pub-sub service for modern web applications and container-driven cloud.

metrics2.0 based, multi-tenant timeseries store for Graphite and friends.

A programmable, observable and distributed job orchestration system.

A load generator in Go language

A lightweight schema-on-read analytics in a single binary

Execute command based on Prometheus alerts

This repository contains the deployment configurations for the Observatorium instances

Fast and lightweight log transport and processing.

Lightweight self-hosted application monitoring for small servers. Spring Boot, Quarkus, SQLite history, simple charts. No Prometheus/Grafana stack required.

Self-hosted observability platform — error tracking, performance tracing, metrics, uptime monitoring, and profiling.

Son of Vegeta, with more skills (mainly gRPC support)

Open, reproducible benchmarks for crypto infrastructure: aggregators, bridges, blockchains, perps. Live data, public methodology.

Compact centralized logging: POST /logs -> Go gateway -> ClickHouse. Built for a ~1 GB RAM VPS, stdlib-only gateway.

Anomalies detection system for periodic metrics.