Development

• Kommander
  KDE dialog editor. ...
  
• IDEA85
  IDEA85 is an IDE and assembler for the 8085 microprocessor. ...
  
• GLobal Application Network (GLAN)
  Glan is a Qt-based Application Server development platform for creating GUI oriented client-server applications. ...
  
• ViboDev
  ViboDev is a multiple-file editor with syntax highlighting. It will eventually become a fully-fledged IDE. ...
  
• Aquarium Web Application Framework
  Aquarium is a Web site framework written in Python. ...
  
• FrAid
  FrAid (Fr[actal] Aid) is a programming language that is appropriate for mathematical computations, visualization, batch processing, and more. It features both a standalone application that provides a...
  
• CherryPy
  CherryPy is a Python based web development toolkit. It provides all the features of an enterprise-class application server while remaining light, fast and easy to learn.CherryPy allows developers to ...
  
• PmWiki
  PmWiki is a WikiWikiWeb clone that is primarily designed as a tool to support easy, collaborative authoring and maintenance of Web sites. It does not require a relational database such as MySQL. ...
  
• Builder Xcessory PRO (BX PRO)
  BX PRO is the industry's most powerful graphical user interface (GUI) builder for creating application using the Motif toolkit. Offering the complete set of features needed to develop and manage GUI ...
  
• LightBulb
  LightBulb is a complete, browser-based, WYSIWYG PHP development suite and framework (Lumenation) which includes a PHP application generator, a code editor (with context and classes prompting and high...
  
• Lazarus
  Lazarus is a developement enviroment using the Free Pascal Language(fpc), which tries to be Delphi like. It's a multiplatform and multiwidget IDE. Lazarus is released under the GPL but the libraries ...
  
• IBM WebSphere Studio Enterprise Developer
  IBM WebSphere Studio Enterprise Developer V5.1.1 helps simplify the skills needed to develop component-based Web applications. Supports SOA and web service creation, deployable to WebSphere, C...
  
• PHPortal
  PHPortal is a PHP application development environment similar to Zope. It is a pipeline or tunnel application that can help you quickly create dynamic Web applications such as portal and intranet sit...
  
• Wing IDE
  Wing IDE and Python are well suited for rapid application development and large or complex projects with changing requirements. From desktop to website to enterprise application integration, Wing IDE...
  
• Black Adder
  BlackAdder is an application development environment that allows professional and hobbyist programmers alike to produce complex applications for the Windows and Linux platforms. It brings together th...
  
• Atris Framework
  Atris Framework is a fully functional platform independent GUI framework based on the Java/Swing API. It provides an advanced GUI screen editor with features including an abstract data layer, pre-bui...
  
• Code::Blocks C/C++ IDE
  The open source, cross platform Free C++ IDE. Code::Blocks is a free C++ IDE built specifically to meet the most demanding needs of its users. It was designed, right from the start, to be extensib...
  
• IntelliJ IDEA
  IntelliJ IDEA is an intelligent Java IDE intensely focused on developer productivity. It provides a robust combination of enhanced development tools, including refactoring, J2EE support, Ant, JUnit...
  
• Setedit
  Setedit is a text editor specially designed for programmers. ...
  
• GtkEditor
  a source code editor widget for GTK+. It is currently used, in one version or another, in several GTK+/GNOME applications, including gIDE, VDKBuilder, GXEdit, and Bluefish ...
  
• jEdit
  Text editor for programmers writen in Java. Support for syntax highlighting, plugins downloadable from inet, spilt views, unlimited undo/redo, word wrap. ...
  
• Glimmer
  Glimmer is a code editor that can be used with almost any language. At the current time, Glimmer has syntax highlighting support for the following languages: Ada, Bash/Sh, C/C++, DTML, HTML, Java, L...
  
• Vim
  Please read vim features info on www.vim.org ...
  
• Morphon XML Editor
  The Morphon XML-Editor is now being offered under a free license, there are no strings attached. Morphon Technologies would like to increase the user base of the Morphon XML-Editor. ...
  
• Nano
  GNU nano is designed to be a free replacement for the Pico text editor, part of the Pine email suite from The University of Washington. It aims to "emulate Pico as closely as possible and perhaps inc...