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
Conduit streams data between data stores. Kafka Connect replacement
Elasticsearch/Splunk/Datadog alternative for (logs, metrics, traces)
SigNoz is an open-source APM. It helps developers monitor their apps
Declarative, type-safe web endpoints library
An open source observability platform unifying session replays & logs
The Modern Application Platform
eBPF-based Security Observability and Runtime Enforcement
Web UI for Jaeger
OpenLIT is an open-source LLM Observability tool
OneUptime is the complete open-source observability platform
Official plugin for OpenClaw that exports agent traces to Opik
Open-source observability for your LLM application
Debug, evaluate, and monitor your LLMapps, RAG systems, and agentic AI
An orchestration platform for the development, production
Monitor and troubleshoot transactions in complex distributed systems
First open-source data discovery and observability platform
OpenTelemetry Go API and SDK
OpenTelemetry Collector
Open-source observability for microservices
Uncover insights, surface problems, monitor, and fine tune your LLM
Application Observability using eBPF
Cloud-native high-performance edge/middle/service proxy
Continuous Profiling Platform. Debug performance issues
The multi-zone service mesh for containers, Kubernetes and VMs