OpenCensus
OpenCensus is a vendor-agnostic single distribution of libraries to provide metrics collection and tracing for your services.
How can I use OpenCensus in my project?
Our libraries support Go, Java, C++, Ruby, Erlang, Python, and PHP.
Supported backends include Datadog, Instana, Jaeger, SignalFX, Stackdriver, and Zipkin. You can also add support for other backends.