* [dd-trace v5.91.0](https://github.com/DataDog/dd-trace-js) – Node.js APM tracer library for capturing application performance monitoring data. * [SigNoz v0.116.0](https://github.com/SigNoz/signoz) – Observability platform that consolidates logs, metrics, and traces for effective application monitoring and troubleshooting. * [Datadog Trace Client v2.29.0](https://github.com/DataDog/dd-trace-rb) – Client library for tracing and monitoring Ruby applications. * [apm-agent-go v2.7.5](https://github.com/elastic/apm-agent-go) – Go library that traces application execution and sends performance metrics and errors to the Elastic APM server. * [ScoutApm Ruby Agent v6.1.1](https://github.com/scoutapp/scout_apm_ruby) – Ruby gem for detailed performance monitoring of Rails applications. * [Elastic APM Real User Monitoring (RUM) JavaScript agent @elastic/apm-rum@5.1...](https://github.com/elastic/apm-agent-rum-js) – Browser-side agent that captures user performance metrics, errors, and transactions and sends telemetry to a monitoring backend.