Recommendation/collaborative filtering engine. GPL

Vogoo PHP LIB 2.0 is a powerful recommendation/collaborative filtering engine designed to be easily integrated into Web sites. You can recommend items that match your customers' tastes, include a "people who liked this item also liked..." feature with a few lines of code, or easily compute tastes similarities between your users.

Web 2.0 operating environment and development platform. LGPL

Atomic OS 1.0.46
Based on AJAX techniques, it emulates/provides standard operating system features including a command line shell, interpreter, filesystem, database access, and GUI services

AJAX Based MVC Framework for PHP5 Developers

Zephyr: " is an ajax based framework for php5 developers. you can easily develop business applications using this robust framework. this is extremely easy to learn and very simple to implement. you can deliver a full fledged ajax application with strong business layer in backend within some minutes. installation and deployment of packages that you develop for zephyr is hassle free. moreover you will get all the features of most popular templating engine 'smarty' and powerfull data access layer 'adoDB'. lets go through the documentation process to discover how easy is to develop an ajax application using zephyr framework."

Library that assists in parsing XML documents into generic PHP arrays. LGPL

XMLParser for PHP 1.1 comes with RSSParser, an extension of XMLParser that creates simple RSS-specific array structures from RSS feeds.

Multi-purpose AJAX framework. LGPL

qooxdoo 0.7.2 includes support for professional Javascript development, a state-of-the-art GUI toolkit, and high-level client-server communication.

PHP/MySQL based project management application for user collaboration and productivity. GPL

Cyberience Project Manager 2.0 includes tasks, milestones, time tracking, file uploads, bug tracking, a message board, invoice tracking and creation, checklists, multiple users.

PHP Development Tools framework for the Eclipse platform

PDT Project: "This project encompasses all development components necessary to develop PHP and facilitate extensibility. It leverages the existing Web Tools Project in providing developers with PHP capabilities. Project Principles: * Intuitive and easy to learn * Seamless integration with the Web Tools project * Adherence to Eclipse standards * Extensibility * Continuous support of PHP developments"

Content management system that is simple to set up, maintain, and modify. GPL

Plone CMS 3.0.1 is designed to be a corporate-ready content management system. It is ideal as an intranet and extranet server, as a document/Web publishing system, and as a groupware tool for collaboration between separately located entities. It aims to be a proper content management and publishing system, sharing the same qualities as Teamsite, Livelink, and Documentum.

PHP object/MySQL database layer. GPL

objectManager 1.1 allows objects to be inserted, retrieved, updated, and and deleted from a MySQL database. The system relies on store.class.php (included) for all tasks, which can be used without the objectManager.

PHP Web administration framework. GPL

PHPDevShell 0.4.8 allows rapid deployment of Web based PHP applications. It is robust, secure, clean, fast, and includes many administrative functions. It supports an unlimited number of users, user groups, security levels, menu tree levels, and menus.

phpUserTrack. GPL

phpUserTrack 0.6.2 tracks user habits and characteristics for a site or across multiple domains. Pages are tracked with either Javascript or with PHP, and data is collected in realtime into a MySQL database. A variety of statistical procedures are applied to show you where your site needs to be optimized.

Tool that generates code coverage statistics for JavaScript programs. GPL

JSCoverage 0.3 works by instrumenting the JavaScript code used in Web pages. Code coverage statistics are collected while the instrumented JavaScript code is executed in a Web browser. JSCoverage works with any modern standards-compliant Web browser, such as Internet Explorer, Firefox, or Opera on Windows or Linux.

Firebug

Web Development Evolved: "Firebug integrates with Firefox to put a wealth of web development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page."

content management system and development framework. GPL

eZ publish 3.9.3
Its most notable feature is its revolutionary, fully customizable, and extendable content model. This is also what makes it suitable as a platform for general Web development. Its stand-alone libraries can be used for cross-platform, database independent PHP projects. eZ publish is also well suited for news publishing, e-commerce (B2B and B2C), portals, and corporate Web sites, intranets, and extranets. eZ publish is dual licenced between GPL and the eZ publish professional licence.

Program for creating charts in Flash to display in Web pages. GPL

Open Flash Chart 1.9.3
You can create bar, line, area, and pie charts. It also includes server side classes to help generate the data file used as input. At the moment, there are classes for PHP, Perl, and Python.

Tiny but flexible CMS. GPL

Zepto CMS 0.9.7 has its own rights management system, which consists of groups and member structures. With these, one can control the whole site and give privileges to friends. Zepto relies on modules to perform its tasks.

Chart creation PHP library. GPL

Libchart 1.2 can generate bar diagrams or pie charts. It is compatible with PHP4/5 (compiled with GD and FreeType) and has no other dependencies.

Secure content management system. GPL

SCMS 0.2
Some of its features are a role-based object-oriented design, conformance to XHTML 1.0 Transitional, strict I/O (input/output) validation, a custom session implementation, support for SSL and cookies (when run over SSL), session identifier regeneration, idle session expiration, account locking, account unlocking methods, encryption (with MD5, AES, SHA1, SHA256, SHA512, or WHIRLPOOL), and event logging.

PHP software for HTML filtering. LGPL

HTML Purifier 2.1.1 is an alternative to BBCode or other obscure custom markup languages. It will not only remove all malicious code (XSS), but will also make sure the HTML is standards compliant.

Framework for developing RIA Web 2.0 applications. LGPL

Humax 0.1 provides a rich set of object-oriented client-side libraries which work seamlessly regardless of the server side technology used.