Ciao (programming language)

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Ciao

Paradigm	Logic, functional, modular, object-oriented
First appeared	1984; 40 years ago (1984)
OS	Cross-platform (Unix, Mac OS X, Windows)
License	GPL, LGPL
Website	www.ciao-lang.org
Influenced by
Prolog

Ciao is a general-purpose programming language which supports logic, constraint, functional, higher-order, and object-oriented programming styles. Its main design objectives are high expressive power, extensibility, safety, reliability, and efficient execution.^[1]