An open-source engine that turns continuous content streams into search and monitoring. Durable ingestion, hybrid search, alerts, and plugins for formats, models and business rules.
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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
Fast C++ logging library.
- header-only
- cpp11
- cpp
- logging
APM, Application Performance Monitoring System
- skywalking
- observability
- apm
- service-mesh
CNCF Jaeger, a Distributed Tracing Platform
TranslatedA powerful flow control component enabling reliability, resilience and monitoring for microservices. (A high-availability flow control and protection component for cloud-native microservices)
- alibaba
- java
- microservice
- circuit-breaker
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.
TranslatedCAT, as a basic component for server-side projects, provides multi-language clients for Java, C/C++, Node.js, Python, Go, etc. It has been deeply integrated into Meituan Dianping's infrastructure middleware frameworks (MVC framework, RPC framework, database framework, cache framework, etc., message queue, configuration system, etc.), providing Meituan Dianping's business lines with a rich set of system performance metrics, health status, real-time alerts, and more.
- apm
- java
- distributed
- realtime
Zipkin is a distributed tracing system
- zipkin
- distributed-tracing
- tracing
- openzipkin
APM, (Application Performance Management) tool for large-scale distributed systems.
- apm
- monitoring
- performance
- agent
A fast & simple, yet powerful & flexible logging framework for macOS, iOS, tvOS, watchOS and visionOS
Cloud-native OSS search engine for observability
- rust
- log-management
- logs
- tantivy
Cross-platform lib for process and system monitoring in Python
- python
- monitoring
- cpu
- memory
Checkmate is an open-source, self-hosted tool designed to track and monitor server hardware, uptime, response times, and incidents in real-time with beautiful visualizations. Don't be shy, join here: https://discord.com/invite/NAb6H3UTjK :)
- server-monitoring
- uptime
- uptime-checker
- uptime-monitor
A logger with a small, extensible API which provides utility on top of Android's normal Log class.
Resilience4j is a fault tolerance library designed for Java8 and functional programming
- resilience
- circuitbreaker
- rate-limiter
- retry
🍦 Never use print() to debug again.
- python
- python3
- library
- inspects
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
Easy & Flexible Alerting With ElasticSearch
:chart_with_upwards_trend: Capturing JVM- and application-level metrics. So you know what's going on.
- metrics
- java
- metrics-library
- dropwizard-metrics
Real-time monitor and web admin for Celery distributed task queue
- celery
- task-queue
- monitoring
- administration
Instant Kubernetes-Native Application Observability
- golang
- kubernetes
- ebpf
- vega
NLog - Flexible and Structured Logging for various .NET Platforms
- nlog
- logging
- logging-library
- netstandard
A modern, flexible logging tool