Carthag is an open source applications platform written in PHP 5, making full use of the new language features. Being distributed with the GPL license, Carthag is free to use and distribute.
Clack is a web application environment for Common Lisp inspired by Python's WSGI and Ruby's Rack.
DotGNU Execution Environment
DotGNU Execution Environment provides the core webservice component of DotGNU and provides the functionality of accepting, validating and satisfying web service requests. The DGEE integrates the components on the web service execution path, including network servers, protocols, virtual machines and security mechanisms into a unified application.
EasyEclipse packages together the Eclipse IDE and key open source plug-ins. It is intended to make Eclipse easier to download, install, and use.
Eclipse Che is a web-based integrated development environment (IDE) and developer workspace server. Workspaces in Eclipse Che are bundled with an appropriate runtime stack and serve their own IDE, all in one tightly integrated bundle.
Forest Web Application Builder
Forest is a Web-based IDE for Web applications. It's in the alpha stage, but you can use it to create your XML files already. For now, it has four frames: the "Add Component" frame which allows you to add a new component to your page, the "Object Inspector" which allows you to add/edit properties and delete components, the "Preview" which will show how your XML is looking, and the "Component Tree" frame that show the hierarchy of components in your page
Ide.php is a web-based editor for PHP. It offers a rapid prototyping environment, letting the user test and save snippets of code with minimal overhead.
Integratis Web Development Framework
Integratis is a Web development framework that supports quick scripting and selective optimization of interactive Web sites. It is implemented in C using Pthreads and SysV shared memory.
K PHP Develop
K PHP Develop is an integrated Web development tool designed for team work, something like MS Interdev. It contains three modules: kphpdev_server - K PHP Develop Server, kphpdev_server_setup - K PHP Develop Server Setup and kphpdev - K PHP Develop Client.
LightBulb is a PHP SDK which includes a PHP source code generator, a library of PHP classes, and an application environment consisting of premade supporting modules.
(commercial) LIMBAS is a web client/server application allowing you to develop application quickly without programming. This, only by the use of tables and forms and other modules like workflow engine, user management, report editor, file manager or soap interface.
(commercial) Maguma Workbench is a cross-platform source-level editor, and is available for Windows and Linux. It is built around a plug-in architecture that provides several benefits over traditional program architecture.
MimerDesk is an open-source group environment designed for a wide variety of uses such as web-based eLearning, carrying out projects and setting up communities.
Modulipse is a Modula-2 IDE based on the Eclipse platform. Supported features include syntax highlighting, wizards, keyword auto-completion, procedure folding, code templates, and error markers.
Nacho is an application server and web development platform. It features a fourth generation template language and database abstraction layer to dynamically produce HTML, XML, JPEG, PNG, CSV, ZIP and other content, not limited to text and HTML alone.
(commercial) Netautor Professional is an application server and development environment.
Nuclide is a unified developer experience for web and mobile development, built as a suite of packages on top of Atom to provide hackability and the support of an active community.
(commercial) For the PHP scripting language that integrates a comprehensive set of editing, debugging and deployment tools that can speed development time by up to 75 percent and significantly reduce time-to-market.
Opa is a web development platform. It comprises a programming language, a Web server, a database, and a distributed execution engine. All of these are tightly integrated.
OpenThought is a powerful and flexible web application environment. OpenThought applications are different from other web applications in that all communication between the browser and the server is performed in the background.
PHP Site Manager
PHP Site Manager creates an environment in which powerful modules may be created and shared easily between projects and developers by implementing standards for creating, configuring, and maintaining modules of code.
PHPEclipse is an open-source PHP IDE. Built as an Eclipse plugin, it takes advantage of a well-designed, robust and widely used application framework.
PHPlus is an open source project to help PHP developers and designers make web based development faster and painless. The goal of this project is to develop a framework and tools (IDE) which will clearly seperate the interface & program logic. This framework stricktly follows the MVC architecture which clearly seperates the tasks of designers and programmers. Our approach to PHP is completely object oriented and target PHP 5.
phpmole is an integrated development enviroment for developing (primarily) web based and phpgtk based applications.
phpRapidDev provides easy and fast PHP application development. It supports a theme manager, language selection (internationalization), simultaneous connections to various database servers, a form generator, a report generator, built-in user management, log, and access control, definitions from text-based config files and/or Web-based application, and a PHP preprocessor to maximize speed.
Panther Open Source Software for Linux: an enterprise application development environment that simplifies the building of transactional, component-based Web applications
RADpage combines XML with the power and the simplicity of the Rapid Application Development approach for dynamic, data-driven Web applications directly from the browser - without requiring a client-dependent development environment.
SashXB is a highly configurable development system, Sash enables web developers to rapidly create network based applications that integrate seamlessly into the common desktop environment using standard web development technologies.
Selenium IDE is an integrated development environment for Selenium tests. It is implemented as a Firefox extension, and allows you to record, edit, and debug tests. Selenium IDE includes the entire Selenium Core, allowing you to easily and quickly record and play back tests in the actual environment that they will run. It features autocomplete support and the ability to move commands around quickly.
ServerEclipse is a set of plugins that provides a basic web-application development environment Eclipse 3.0. ServerEclipse provides IDE utilties (editors, code highlighting, etc) for JSP, XML, HTML, CSS and *.properties files.
a web development environment akin to HTML::Mason, but it does to c++ what HTML::Mason does to Perl
SteelBlue is an open-source Web application server environment in which Web-database applications can be developed completely in an extended HTML language. Similar to ColdFusion and Story Server, session and user-associated data as well as SQL commands can be directly embedded into the HTML page.
Treebeard/Fangorn is an XSLT IDE that allows you to load an XML file and an XSLT file (from the Web or from the local file system), edit either file, and then perform transformations.
Viper IDE is a client-server based multi-developer IDE suited for developing software over the internet. It features instant messaging between project members, public realtime chat, syntax highlightning for a variety of languages and extensive and easy to use CVS support.
web.framework is an MVC framework for PHP5. It features actions and action-chains, the ability to call to other actions or action-chains from an action-chain, pre- and post-actions with exceptions, validators for simple check forms, client-side validators, support for DB configuration in framework configuration, DB support (PDO, ADOdb, web.db), support for template systems (such as web.template and Smarty), a router for making URLs nice-looking, tokens, authorization frames, AJAX support, and more.
WebAbility is an advanced Web development platform that contains WebFlow, a content management system, an advanced security system (ASS), advanced workflows, and Web site wrappers.
(commercial) WebFusion Studio is a web application development software to allow real-time collaboration between web designers, developers and end-users in building database-driven web sites and web applications.
Xaq is a web application development environment for Perl, and a collection of applications that use that environment: a form data emailer and a bookmarking system. Xaq will be of particular interest to web host providers.
XAVIOUR Web Application Platform
XAVIOUR is a Web Application Platform for rapid development. It rolls the essential features of a CMS tool and a Templating Engine into a single development framework.
Zend Server Community Edition is a simple, straightforward, open-source software web application server for PHP 5 designed to eliminate the tedious details of coding and let users concentrate on the big picture. Read more
(commercial) Zend Studio is a powerful, integrated platform for writing and maintaining PHP applications. The ZDE combines a comprehensive editor with the industrys leading code completion engine and an integrated, top-of-the-line debugger to speed development time and significantly reduce time-to-market.
Zope (Z Object Publishing Environment) is a free and open-source, object-oriented web application server written in the Python programming language. Read more