There are 2 repositories under opentelemetry-php topic.
The OpenTelemetry PHP Library
Traces, metrics, and logs instrumentation within your Symfony application
Instant OpenTelemetry instrumentation for Laravel applications.
This package provides a simple way to add OpenTelemetry to your Laravel application.
Grafana Stack addon for DDEV: Grafana (GUI), Tempo (tracing, OpenTelemetry), Loki (logs, promtail), Mimir (metrics, prometheus)
Symfony Demo app with OpenTelemetry Bundle
Observability with Drupal example: OpenTelemetry Traces, Logs, Metrics
OpenTelemetry Community Demo Application
A Slim test with OpenTelemetry PHP
OpenTelemetry PHP Auto-Instrumentation for Heroku
Created for following along with OTLP user testing document