PocketPOD is a proof of delivery web application. Any systems with Flash installed, including portable mobile handheld devices, can sign signature over its interface and be transmitted over the web where the image is generated.
SockThread is an implementation of multithreaded sockets. It is built-in with an echo server for telnet connections. It is initially written with standard native C/C++ libraries. C++ classes std::thread and C socket APIs <sys/socket.h> were used.