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F# is an open-source, strongly typed, multi-paradigm programming language encompassing functional, imperative and object-oriented programming techniques. F# is most often used as a cross-platform CLI language, but can also be used to generate JavaScript and GPU code. F# is developed by The F# Software Foundation and Microsoft. An open source, cross-platform edition of F# is available from the F# Software Foundation. F# is also a fully supported language in Visual Studio. Other tools supporting F# development include Mono, MonoDevelop, SharpDevelop and the WebSharper tools for JavaScript and HTML5 web programming. F# originated as a variant of ML and has been influenced by OCaml, C#, Python, Haskell, Scala and Erlang.

Erlang is a programming language used to build massively scalable soft real-time systems with requirements on high availability. Some of its uses are in telecoms, banking, e-commerce, computer telephony and instant messaging. Erlang's runtime system has built-in support for concurrency, distribution and fault tolerance.

Go is an open source programming environment that makes it easy to build simple, reliable, and efficient software.

GNU Prolog is a free Prolog compiler with constraint solving over finite domains developed by Daniel Diaz. GNU Prolog accepts Prolog+constraint programs and produces native binaries (like gcc does from a C source). The obtained executable is then stand-alone. The size of this executable can be quite small since GNU Prolog can avoid to link the code of most unused built-in predicates. The performances of GNU Prolog are very encouraging (comparable to commercial systems). Beside the native-code compilation, GNU Prolog offers a classical interactive interpreter (top-level) with a debugger. The Prolog part conforms to the ISO standard for Prolog with many extensions very useful in practice (global variables, OS interface, sockets,...). GNU Prolog also includes an efficient constraint solver over Finite Domains (FD). This opens contraint logic pogramming to the user combining the power of constraint programming to the declarativity of logic programming.

Jelly is an XML based scripting engine. The basic idea is that XML elements can be bound to a Java Tag which is a Java bean that performs some function. Jelly is totally extendable via custom actions (in a similar way to JSP custom tags) as well as cleanly integrating with scripting languages such as Jexl, Velocity, pnuts, beanshell and via BSF (Bean Scripting Framework) languages like JavaScript & JPython. Jelly uses an XMLOutput class which extends SAX ContentHandler to output XML events. This makes Jelly ideal for XML content generation, SOAP scripting or dynamic web site generation. A single Jelly tag can produce, consume, filter or transform XML events. This leads to a powerful XML pipeline engine similar in some ways to Cocoon.

Groovy is an agile dynamic language for the Java 2 Platform that has many of the features that people like so much in languages like Python, Ruby and Smalltalk, making them available to Java developers using a Java-like syntax. Groovy is designed to help you get things done on the Java 2 Platform in a quick, concise and fun way. Groovy brings the power of a scripting language directly into the Java 2 Platform. For example: - Shell scripting using Groovy allows the full power of the Java Platform to be brought to bear to the task at hand. - Groovy can be used (and indeed is already being used) as a replacement for Java for small and medium sized applications to execute on the Java 2 Platform. - Groovy can be used as an embedded language for dynamic business rules or extension points utilizing the agility of Groovy and saving the cost of redeploying applications for each change of rule (especially when the rules are stored in a database). - Groovy makes writing test cases for unit tests very easy. As well as being a powerful language for scripting Java objects, Groovy can be used as an alternative compiler to javac to generate standard Java bytecode to be used by any Java project.

A GNUstep-aware scheme interpreter. You need libflex installed on your system. Includes many examples, e.g. the sieve of Erathostenes to compute primes, a Koch curve plotter, mandelbrot set, graphs of various functions etc. GScheme is fully tail recursive. The garbage collector bypasses GNUstep's retain/release mechanism in order to deal with circular data structures. GScheme is document-based and you can edit more than one file at the same time. LICENSE: GPL2 or later

GUILE, GNU's Ubiquitous Intelligent Language for Extension, is a library that implements the Scheme language plus various convenient facilities. It's designed so that you can link it into an application or utility to make it extensible. Our plan is to link this library into all GNU programs that call for extensibility.

GUILE, GNU's Ubiquitous Intelligent Language for Extension, is a library that implements the Scheme language plus various convenient facilities. It's designed so that you can link it into an application or utility to make it extensible. Our plan is to link this library into all GNU programs that call for extensibility.

GCC, the GNU Compiler Collection, supports a number of languages. This port installs the C, C++, Fortran and Java front ends as gcc48, g++48, gfortran48, and gcj48, respectively. Gerald Pfeifer <gerald@FreeBSD.org>