9d3d library: A binding to the Microsoft DirectX 9 API. Chart-cairo library: Cairo backend for Charts. RESTng library: A framework for creating RESTful applications. Pup-Events-Demo packages: A networked party dealing with framework for hooking into other courses. ADPfusion library, courses and exam: Efficient, significant-stage dynamic programming. 2-parser library, courses and test: A Microformats two parser.