Open Source Integrated Development Environments (IDE)

The Lazarus IDE is a stable and feature rich visual programming environment for the FreePascal Compiler. It supports the creation of self-standing graphical and console applications and runs on Linux, FreeBSD, MacOSX and Windows.

HM NIS Edit is the best Editor/IDE for Nullsoft Scriptable Install System (NSIS). Its useful for experts and beginner in the creation of Setup programs with the NSIS.

Visual Tcl is a freely-available, high-quality application development environment for UNIX, Windows, Macintosh and AS400 platforms. Visual Tcl is written entirely in Tcl/Tk and generates pure Tcl/Tk code.

Dev-PHP is a well-featured IDE for PHP. Fast and powerful, it is easy to use and has a lot of cool features : class browser, scripts preview, integration with PHP parsers, PHP-GTK library, and Xdebug of course. Dev-PHP-usb slips even into your pocket.

The Whole Platform is a technology for engineering the production of software. We provide an Eclipse based Language Workbench for developing, manipulating and transforming languages using a model driven approach.

The aim of this project is to develope a decompiler for java which is platform independent and has options to obfuscate the class file also. The project takes class file as input and decompiles it and provides the source file.

A RAD GUI Building IDE for wxPython.

Kazam is a visual editor and project manager for interactive fiction game creation with Inform, one of the major development tools for this type of games. Kazam is developed with the wxWindows cross-platform GUI package.

EclipseNSIS is a plugin for the Eclipse platform which enables editing, compiling and testing Nullsoft Installer (NSIS) scripts. The InstallOptions Editor plugin is for editing of InstallOptions files. (Requires Eclipse GEF http://www.eclipse.org/gef)

XPHP is an IDE authoring tool for Windows that allows you to design, develop, test, debug and deploy PHP applications. [This project has been discontinued since 2005]

xacc.ide is a opensource IDE aimed at mainly .NET development. It has a code editor written in 100% C# code, which is faster than most commercial offerings.

**Click 'Browse all files' to see the release notes** -- This tool is an Eclipse editor plugin to provide source code formatting for Adobe Flex code (i.e. Actionscript and MXML).

Xsemantics is a DSL (implemented in Xtext itself) for writing type systems, reduction rules, interpreters (and in general relation rules) for languages implemented in Xtext. It then generates Java code that can be used in your language implemented in Xtext for scoping and validation (it can also generate a validator in Java).

IGNORE THE BIG GREEN DOWNLOAD BUTTON: choose file in Files area These macOS snapshots of the development branches are generated automatically. All I can say is that the compiler found the source good enough to compile. YOU ARE USING COMPLETELY UNTESTED SOFTWARE. Caveat Utilitor! 1. Move lazarus-src to your home directory 2. Open a Terminal 3. Change to lazarus-src and run the command: xattr -drv com.apple.quarantine * 4. Use a script to start Lazarus like: #!/bin/sh open ~/lazarus-src/lazarus.app --args "--pcp=~/.laz_main" There is also a daily FPC development snapshot for ARM64. 1. Move fpc-src to your home directory 2. Install with a script like: #!/bin/sh cd ~/fpc-src xattr -drv com.apple.quarantine * sudo make FPC=$PWD/ppca64 OPT="-ap -FD/Library/Developer/CommandLineTools/usr/bin -XR/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk" install Adjust links in /usr/local/bin to point to 3.3.1 or choose compiler in Lazarus

A CUP/LEX editor plugin for Eclipse

The BASIC IDE is an open source IDE for any language you can imagine. The IDE is written in Object Oriented Delphi. This project was abandoned, and now we are trying to get it back up to speed... I must say, all help is welcome !

Jalopy is a source code formatter/beautifier/pretty printer for the Java programming language. It is aimed to provide a full-featured, yet free alternative to the well-known Jindent. Plug-ins for Ant, Eclipse, IDEA, JBuilder, JDeveloper, jEdit, NetBeans.

A development integration and project building tool for HL2 modders. Build outdated files with the press of a button, eliminating the need for building with batch files. Create script files by visual representation, instead of typing them manually.

Skeleton is a graphical coding environment to easily create and modify rooms/areas of MUDs basing on the Evermore Core Library (EverLib - see www.evermore.de).

Provides an ANTLR plugin (including grammar file editor with outline page and project nature with incremental builder) for the Eclipse platform

Eclipse-based Editor for JET-templates (templates used by EMF). It is intended to support the development of JET-templates in a quality which is adequate to other eclispe language support.

LB Builder is an IDE for the Liberty BASIC windows programming language based on Scintilla. It is the most feature-rich IDE currently available for Liberty BASIC. LB Builder is a project-oriented IDE and it has a user friendly WYSIWYG GUI builder.

Abeni is a GUI utility for creating 'ebuild' files for the Gentoo Linux distribution.

Macromedia ActionScript version 2 documentation generator. To begin with, an application which reads AS2 package directories (and their content) and allows you to view Javadoc style documentation, class heirarchies and package heirarchies. Later stages

BeOS Rapid Integrated Environment (or BRIE for short) is an IDE for rapid development of BeOS / OBOS / Zeta applications. All code is generated in C/C++ using the BeOS API plus a few extensions.