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.
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Best and simplest tool for website change detection, web page monitoring, and website change alerts. Perfect for tracking content changes, price drops, restock alerts, and website defacement monitoring— MCP included! all for free or enjoy our SaaS plan!
- website-monitor
- website-monitoring
- change-detection
- monitoring
SigNoz is an open-source, OpenTelemetry-native observability platform for your team and their AI agents. Get logs, metrics, and traces in one tool with features like APM, distributed tracing, log management, infra monitoring, etc. Combined with SigNoz MCP and a native AI teammate (in SigNoz Cloud) it helps you build more resilient apps.
- observability
- application-monitoring
- opentelemetry
- distributed-tracing
Why is this running? Trace any process, port, container, or file back to what started it - CLI + TUI.
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.
A high-performance observability data pipeline.
- logs
- metrics
- observability
- forwarder
Top-like interface for container metrics
:trollface: Self-hosted, lightweight server and website monitoring and O&M tool
- monitoring
- monitoring-tool
- system
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.
- dashboard
- database-monitoring
- metrics
- monitoring
Crash your app in style (Golang)
- go
- stack-traces
- panic
- crash
Log analyser / visualiser for Java HotSpot JIT compiler. Inspect inlining decisions, hot methods, bytecode, and assembly. View results in the JavaFX user interface.
- jitwatch
- java
- javafx
- hotspot-jit-compiler
Investigate malicious Windows logon by visualizing and analyzing Windows event log
- security
- dfir
- javascript
- visualization
:ledger: Minimal lightweight logging for JavaScript, adding reliable log level methods to wrap any available console.log methods
- javascript
- logging
- lightweight
- loglevel
Realtime log viewer with web UI, tail -f for logs with a web interface browser.
Trace Objective-C method calls by class or instance
GoWrap is a command line tool for generating decorators for Go interfaces
- golang-tools
- golang
- go
- code-generation
kwatch runs inside your Kubernetes cluster, traces every failure to its root cause, and sends one message: what broke, why, who changed it and what to do next.
- kubernetes
- monitoring
- k8s
- kwatch
🔥 Error handling library with context, assertion, stack trace and source fragments
- attributes
- context
- error
- exception
Sentry SDK for Ruby
- error-handler
- error-monitoring
- crash-reporting
- crash-reports
API Observability. Trace API calls and Monitor API performance, health and usage statistics in Node.js Microservices.
Hunter is a flexible code tracing toolkit.
Trace Swift and Objective-C method invocations
gRPC Network Management Interface
Exceptionless clients for the .NET platform
- c-sharp
- exceptionless
- crash-reporting
- exception-handler