Browse free open source Observability tools and projects for Windows below. Use the toggles on the left to filter open source Observability tools by OS, license, language, programming language, and project status.
Leading open-source visualization and observability platform
OneUptime is the complete open-source observability platform
Conduit streams data between data stores. Kafka Connect replacement
Monitor and troubleshoot transactions in complex distributed systems
Declarative, type-safe web endpoints library
An orchestration platform for the development, production
Official plugin for OpenClaw that exports agent traces to Opik
OpenTelemetry Collector
eBPF-based Security Observability and Runtime Enforcement
Ultralight, security-first service mesh for Kubernetes
Elasticsearch/Splunk/Datadog alternative for (logs, metrics, traces)
Open-source observability for microservices
Cloud-native high-performance edge/middle/service proxy
The production toolkit for LLMs. Observability, prompt management
Debug, evaluate, and monitor your LLMapps, RAG systems, and agentic AI
Kubernetes observability and automation
Fast and Lightweight Logs and Metrics processor for Linux, BSD, OSX
Fast and Lightweight Observability Data Collector
Uncover insights, surface problems, monitor, and fine tune your LLM
Cloud-scale load testing. Fully serverless, test any stack
Kubernetes platform from Flant
Fluid, elastic data abstraction and acceleration for BigData/AI apps
GoFrame is a modular, powerful, high-performance development framework
An open source observability platform unifying session replays & logs
The multi-zone service mesh for containers, Kubernetes and VMs