Concurix

Concurix builds leading-edge data and visual analytics tools that allow developers to achieve breakthrough software performance.

Concurix is the only semantic profiler and monitor for Node.js. applications. The are focused on not only notifying users of a problem, but make diagnosing that problem easier for a lower price. Their Node.js profiler traces, visualizes, and pinpoints line-by-line software bottlenecks in Node.js applications. Concurix's tracer also performs monitoring for Node.js applications at the system level as well as at the function level over time.