itmWEB: Object-Oriented Programming - Large set of top resources for OO analysis, design, programming, testing. References to some of the top personalities in the field.
Journal of Object Technology: JOT - Online peer-reviewed publication, 6 editions per year, by ETH Swiss Federal Institute of Technology, for intermediate to advanced practitioners, educators, and researchers in the field of object technology.
Object-Process Methodology (OPM) - A modeling methodology that supports generic systems development using a single graphic model with objects, processes, and states. OPCAT automatically generates natural language, UML, code, and documentation.