The Objective-C language is a simple computer language designed to enable sophisticated object-oriented programming. Objective-C is defined as a small but powerful set of extensions to the standard ANSI C language.
Platforms
- Mac
- Windows
- Linux
- BSD

Nu is described as 'Interpreted object-oriented programming language, with a Lisp-like syntax, it was created as an alternative scripting language to program Mac OS X through its Cocoa API' and is a programming language in the development category. There are four alternatives to Nu for Windows, Linux, BSD, Mac and Oracle Solaris. The best Nu alternative is Objective-C, which is both free and Open Source. Other great apps like Nu are CLISP, GNU Common Lisp and newLisp.
The Objective-C language is a simple computer language designed to enable sophisticated object-oriented programming. Objective-C is defined as a small but powerful set of extensions to the standard ANSI C language.

CLISP is a portable ANSI Common Lisp implementation and development environment by Bruno Haible. Interpreter, compiler, debugger, CLOS, MOP, FFI, Unicode, sockets, CLX. UI in English, German, French, Spanish, Dutch, Russian, and Danish.


GCL is the official Common Lisp for the GNU project. Its design makes use of the system's C compiler to compile to native object code, providing for both good performance and facile portability. GCL currently compiles itself and the primary free software Lisp applications...

newLISP is a LISP-like scripting language for doing things you typically do with scripting languages: programming for the internet, system administration, text processing, gluing other programs together, etc.