A multipurpose, full-featured, middleware-oriented and hackable HTTP/S and WebSocket proxy with powerful built-in features such as versatile routing layer, traffic interceptor and replay to multiple backends, built-in balancer, traffic retry/backoff logic, hierarchical configuration, among others. Built for node.js/io.js.
rocky can be fluently used programmatically or via command-line interface. It's framework agnostic, but you can optionally plug in with connect/express apps.
To get started, take a look to how does it work, basic usage, middleware layer and examples.
Note: retry feature is temporary not available in latest node.js versions.