Bitcoin is a peer-to-peer electronic cash system that is completely decentralized, without the need for a central server or trusted parties. Users hold the crypto keys to their own money and transact directly with each other, with the help of a P2P network to check for double-spending.
Config4*, pronounced "config for star", is a family of configuration-file parsers. It currently provides C++ and Java implementations. It offers an incredibly flexible and user-friendly syntax and an API with powerful features not available in other configuration technologies such as XML, JSON, Java properties, or the Windows Registry. The comprehensive and easy-to-read documentation includes a getting started guide, expert tips, API reference manuals, and a maintenance guide.
CreEPS is a collection of C++ classes that provide an easy-to-use interface for generating vector plots from within code. The drawings are stored as Encapsulated Postscript (EPS) files. It features all basic drawing elements, user-configurable fill types, and printf-style text output. Extensive documentation with many examples is included.
Genit is a framework that builds a static Web site, which does not require a server side programming language or database. Generated sites consist only of XHTML code (plus CSS and media). It runs from the command line, is based on XML, and is designed to be simple, readable, and minimalist.