Development

• zprof
  A basic block profiler for ANSI C programs which produces a count of the number of times each basic block is executed. It's behavior is similar to that produced by the gcc -a command. ...
  
• TAU
  TAU (Tuning and Analysis Utilities) is a set of tools for analyzing the performance of C, C++, Fortran and Java programs. It collects much more information than is available through prof or gprof, th...
  
• ProjectCenter
  ProjectCenter is the project manager for GNUstep. It aims to become a complete IDE, including support for CVS, debugging, and so on. ...
  
• littlej
  littlej is an open-source set of utilities for the Java programmer that programs with a plain text editor instead of an IDE. ...
  
• Butterfly XML Editor and IDE
  The Butterfly XML Editor and IDE is an XML editing environment built on top of a real-time incremental XML parsing algorithm. It features syntax and error highlighting, incremental validation, intell...
  
• LavaPE
  LavaPE is a programming environment for the experimental object-oriented programming language Lava. It replaces text editing with structure editing, thereby preventing all syntactic and many semantic...
  
• Gtk Development Environment
  GTK Development Environment (GDE) acts as a framework when you are programming. It is not an integrated development environment, but more a tool to manage programming projects. ...
  
• OpenLDev
  OpenLDev is a programming environment that provides a lightweight frontend to gcc and g++. ...
  
• Cayenne
  Cayenne is a free object-relational persistence framework written in Java. Its goal is to make development of database Java applications faster and more consistent with the Object Oriented Programmin...
  
• Python Integrated Development Application
  Python Integrated Development Application (Pida) is an IDE based around the idea of reusing existing tools, rather than attempting to write a set of development tools of its own. It uses Vim as the e...
  
• ZPL
  An array programming language designed for fast execution on both sequential and parallel processing computers. ...
  
• CGIScripter
  CGIScripter automates the development of Perl CGI scripts for MySQL, Oracle, Access, SQL Server, Sybase, and DB2 databases. ...
  
• ZenWeb
  ZenWeb is a system for building entire Web sites, not just pages. It allows you to focus on the content and the structure of the website, while leaving page construction, markup, layout, and navigati...
  
• jMax
  jMax is a visual programming environment for building interactive real-time musical and multimedia applications by allowing the user to interactively design dataflow circuits. ...
  
• Rambutan
  Rambutan is a set of end-user applications software that assists a system analyst in the gathering and categorization of facts for a requirements specification document. In its current state, the pro...
  
• buildtool
  Buildtool is a set of integrated utilities which make programs more portable and easier to build on any kind of *nix-like system. It simplifies the build process of a program from user's point of vi...
  
• DrPython
  DrPython is a highly customizable, simple, and clean editing environment for developing Python programs. ...
  
• Komodo
  Komodo is an IDE that enables programmers to develop with Perl and Python using Mozilla as the application framework. ...
  
• EZRO
  EZ Reusable Objects (EZRO) is a Web application that can be used by non-technical staff to manage content as "objects." Content objects containing text, video, and audio can be shared, modified, and ...
  
• IDE Studio
  IDEStudio is an enhanced version of the standard Python Idle IDE, using the Tix extension widgets to Tkinter. ...
  
• ZedKit
  A Z39.50 toolkit designed to provide an application developer with a comprehensive set of Z39.50 client and server protocol service functions along with a set of association functions that manage the...
  
• Jabberwocky
  Jabberwocky is a Lisp IDE containing a Lisp-aware editor with syntax highlighting, parentheses matching, a source analyzer, indentation, a source level debugger, a project explorer, and an interactio...
  
• DotGNU Portable.NET
  DotGNU Portable.Net is a portable suite of tools (including a C# compiler, assembler, and runtime engine) for non-Microsoft platforms such as GNU/Linux. It is a part of the DotGNU meta-project. ...
  
• Ampoliros
  Ampoliros is an advanced and easy to use distributed PHP Web applications platform, featuring a powerful Xml-Rpc and Soap interface. It is suitable as an Internet/Intranet development and deployment ...
  
• Jext
  This is a Java-based programming text editor. It supports 25 programming languages including PHP, ASP, JSP, Java, C#, Python, XML and HTML. It offers word completion, HTML tag and entities completion...