#observability

projectcalico/calico

Go

90

health

Cloud native networking and network security

nginx/agent

Go

90

health

NGINX Agent provides an administrative entry point to remotely manage, configure and collect metrics and events from NGINX instances

openstatusHQ/openstatus

TypeScript

89

health

🫖 Status page with uptime monitoring & API monitoring as code 🫖

Tracer-Cloud/opensre

Python

89

health

Build your own AI SRE agents. The open source toolkit for the AI era.

metrico/gigapipe

Go

89

health

⭐️ The Open-Source Polyglot Observability Warehouse: Light, Fast, Cloud Native, Drop-in Grafana LGTMP alternative :rocket: Indie All-in-One Opentelemetry, Loki, Prometheus, Tempo, Pyroscope On-Prem Alternative :star:

ccfos/nightingale

Go

89

health

Nightingale is to monitoring and alerting what Grafana is to visualization.

jaegertracing/jaeger

Go

89

health

CNCF Jaeger, a Distributed Tracing Platform

cilium/cilium

Go

89

health

eBPF-based Networking, Security, and Observability

open-telemetry/opentelemetry-collector

Go

89

health

OpenTelemetry Collector

apache/doris

Java

89

health

Apache Doris is a real-time analytics and hybrid search database for AI agents.

micrometer-metrics/micrometer

Java

89

health

An application observability facade for the most popular observability tools. Think SLF4J, but for observability.

superloglabs/superlog

TypeScript

88

health

Open-source observability tool that uses AI agents to self-heal your software

OneUptime/oneuptime

TypeScript

88

health

Complete open-source monitoring and observability platform.

PrefectHQ/prefect

Python

88

health

Prefect is a workflow orchestration framework for building resilient data pipelines in Python.

GreptimeTeam/greptimedb

Rust

88

health

The open-source Observability 2.0 database. One engine for metrics, logs, and traces — replacing Prometheus, Loki & ES.

ENTERPILOT/GoModel

Go

88

health

AI gateway written in Go. Lightweight unified OpenAI-compatible API for OpenAI, Anthropic, Gemini, Groq, xAI & Ollama. LiteLLM alternative with observability, guardrails, streaming, costs and usage tracking.

thanos-io/thanos

Go

88

health

Highly available Prometheus setup with long term storage capabilities. A CNCF Incubating project.

VictoriaMetrics/VictoriaMetrics

Go

88

health

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

DataDog/datadog-agent

Go

87

health

Main repository for Datadog Agent

Linuxfabrik/monitoring-plugins

Python

86

health

250+ monitoring plugins for Icinga, Nagios & friends. Python 3.9+, all platforms. Smart defaults, auto-discovery, consistent cross-platform metrics, minimal dependencies.