Adds more than 155 useful and frequently rather fundamental methods which are missing in Ruby programming language, to Array, File, Hash, Module, Object, String and Symbol classes. It tries to be similar project to Ruby Facets on principle, but less complex, more practical, non-atomic and organized by better way. Thanks to defensive and careful patching it should be compatible with all other libraries.

Implementation of JSON-RPC objects with respect to specifications compliance and API backward compatibility. Implements all versions of the protocol and support for ability to communicate by the same protocol version which other side uses by a transparent way.

sturctx is a Ruby library that extends standard Struct