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.
An initiative to support and extend the Free Pascal compiler on the BeOS, and create a objects library to allow the creation of graphical user applications.
Fastjar is an implementation of Sun's jar utility that comes with the JDK, written entirely in C, and runs in a fraction of the time while being 100% feature compatible.
JResEditor eases the editing of java resource files. It provides validation and allows easy comparison of multiple resource files. The GUI allows easy navigation to any key and provides wizards to create keys and new resource files.
wspacegen is an interactive IDE for programing with whitespace (http://compsoc.dur.ac.uk/whitespace/). So it's possible to create .ws code relative easily and debug it as well. But attention, you'll addicted to it (-:
antlraux is a java package thought to be used in combination with antlr(http://www.antlr.org). Features contextual information management, command line parsing and lexical information treatment.
RSD is a PHP development environment. The most powerful part is the RSDEngine - provide it with a SQL database schema and additional options and it will generate a ready-to-run application. Other goodies: versioning, generation of API docs, unit tests.
orange is a new object oriented programing language, combining features from objective c, java and scheme. it's main targets are compactness, efficency and rapid prototyping.
GSL is aimed at providing a tool for rapid graphical programming. GSL is an object-oriented script language with graphical support. Its goal is to provide an easy way to specify worlds and at the same time enable the coding of behaviours of those worlds.
DontWorry is a plugin for BeIDE.
It add autocomplete variable name, search class methos and more.
It all we need to develop in C++ and don't have in BeIDE.