What is O11y? Guide to Modern Observability

1. jaeger

   1 106 20,911 9.9 Go

   CNCF Jaeger, a Distributed Tracing Platform

   

   Jaeger is a distributed tracing system built for microservices environments. Learn more about Jaeger - from core concepts to advanced implementation patterns. Excels at end-to-end transaction monitoring, dependency analysis, and performance optimization. Provides powerful query capabilities and sampling strategies for large-scale deployments.

2. Nutrient

   www.nutrient.io featured

   Nutrient – The #1 PDF SDK Library, trusted by 10K+ developers. Other PDF SDKs promise a lot - then break. Laggy scrolling, poor mobile UX, tons of bugs, and lack of support cost you endless frustrations. Nutrient’s SDK handles billion-page workloads - so you don’t have to debug PDFs. Used by ~1 billion end users in more than 150 different countries.

   

3. dd-trace-cpp

   2 18 13 8.2 C++

   Datadog APM client for C++

   

   Datadog offers an enterprise-grade platform with comprehensive monitoring capabilities. Provides extensive integration options, machine learning-powered analytics, and robust infrastructure monitoring. Best suited for large organizations with complex requirements and diverse technology stacks. Looking for alternatives? Check our guide to top 9 open source Datadog alternatives.

4. prometheus

   3 443 57,196 10.0 Go

   The Prometheus monitoring system and time series database.

   

   Prometheus specializes in metrics collection and alerting. Uses a pull-based architecture with powerful PromQL query language. Ideal for system metrics, custom metrics collection, and setting up comprehensive alerting rules. Learn how to ingest Prometheus metrics into Uptrace for unified observability.

5. opentelemetry-collector

   4 35 4,831 9.9 Go

   OpenTelemetry Collector

   

   OpenTelemetry is a core instrumentation framework that provides standardized data collection across all services. What is OpenTelemetry? - learn core concepts, components, and implementation approaches. Features vendor-neutral APIs, automatic instrumentation, and supports multiple languages. Essential for implementing consistent observability across distributed systems.

6. Grafana

   5 425 66,490 10.0 TypeScript

   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.

   

   Grafana serves as the industry-standard visualization platform that connects to multiple data sources. Creates sophisticated dashboards, supports alerting integration, and enables deep data exploration through custom panels and templates.

7. CodeRabbit

   coderabbit.ai featured

   CodeRabbit: AI Code Reviews for Developers. Revolutionize your code reviews with AI. CodeRabbit offers PR summaries, code walkthroughs, 1-click suggestions, and AST-based analysis. Boost productivity and code quality across all major languages with each PR.

   

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