FliteTutor is currently merely a concept for an interactive training enhancement to the free flight simulator FlightGear, the purpose will be to provide basic tutorials within FlightGear about its general usage and also specific topics. (check homepage)
A Forth interpreter built on top of a little virtual machine.
Forth-like thin scripting system written in portable C.
Testing and Test Control Notation (TTCN) is internationally standardized testing language designed purely for testing. Currently there is no free compiler for it. The main target of that project is to create one based on C interface defined in ETSI spec.
Fun is a object oriented programming language. Domain is only for web platform Script language. Like is CSharp. This is work for Programmers by Netology Software Foundation.
A BrainFuck language interpreter
GHLI is GPMI's Highlevel Language Interpreter (doesn't requirey but suggests GPMI). It is an embeddable script interpreter for different script languages.GHLI aims to be small, simple and fast. Currently supports pascal-script and assembly-script.
GLfunge98 - OpenGL-based *NIX/Win32-interpreter for Befunge93/Funge98 with dynamic extensions.
The MDK provides a simulator of D. Knuth's MIX computer, and a development environment to write, run and debug MIXAL programs on it.
An experimental High Level Programming Language.
Goal-directed answer-set programming
Galliwasp is an answer set programming (ASP) system utilizing a unique top-down, goal-directed execution method.
The Generic Universal MUMPS Project (GUMP) has the purpose of providing an Open Source Implementation of ANSI X11 (MUMPS) suite of Standards
Genjutsu is a programming language designed for extending C/C++ applications. The syntax is akin to Scheme's. Genjutsu is optimized for distributed object systems and designed to make such applications easy to write. Included is a shell, gjsh.
Gui4Cli - an easy, interpreted, event-driven language, strong at creating and controling graphical UIs. Has many powerfull commands and capabilities. Can create stand-alone executables and can be extended via plug-in dlls.
A simple interface to SQL databases (currently MySQL and PostgreSQL) from Guile.
Gyroe is a simple, yet powerful programming language with a very fast interpreter. It is based on the Euphoria programming language by Robert Craig.
HPH: Not PHP is a new language designed for dynamic web content delivery. It aims to replace user-generated HTML markup and content with HTML generated on the fly and content taken directly from a database or IR system.
HPL is a Hebrew Programming Language. It\'s main goal is to expose children and non english speaker to the wonders of programming in a hope that once you\'ve mastered the basics, you are on the highway.
IDE for portables GUI applications in Perl. Works with wxPerl (wxWindows), GML (GUI Markup Language) and HPL.
Hashdot: Java-platform script launcher
Hispciv is an extension of Freeciv version 2.1.0 that uses Lua scripting engine in the client to facilitate otherwise boring and repetitive tasks.
Howard languages are intended to be domain specific. Users may write autonomous contributions to strongly typed, polymorphic languages, compose a new language, or use one already implemented. Interpreters are built with our tool: dulce.
Hummin is open Smalltalk-80 implementation with ANSI Smalltalk compliant class library. It is file based and therefore modular. It could be used for object oriented scripting as well as for rapid application development.
I is a cross-platform programming language designed towards efficiency during development and at runtime.
IDLe is a modular, OS independent SDK, providing a virtual machine, and compilers for high-level programming languages. Supports callback functions to host program, self-modifying code, etc.