Servo: Provides a simple interface for exposing and publishing application metrics in Java
F-TICKS: (Federated Ticker System) is a modular solution to the problem space above. It consists of a small software package, configuration instructions for participants, SQL schemata, a standardized message syntax for event reporting and a sample PHP-based website for visualisation of data (an authentication event is called a tick). See also https://tools.ietf.org/html/draft-johansson-fticks-00