Openads
Openads (aka phpAdsNew & phpPgAds) is an open-source ad server with an integrated banner management interface and tracking system for gathering statistics. With Openads you can easily rotate paid banners and your own in-house advertisements.

phpList
phplist is an open-source newsletter manager. A feature-rich mailing script, which includes multiple mailing lists and attachments. phplist is free to install and use, and is easy to integrate with any website. phplist is listed in the top open source projects for vitality score.

Maian Events
Maian Events is a simple event calendar system. Add/Delete/Edit are the usual events options. Set start and end dates. Include emoticons in events. Nice clean calendar interface.

Classifieds
Classifieds is a classified ads tool, which offers categories and subcategories of unlimited depth, variable fields per categories, image upload for categories and classifieds, locking categories, classifieds approval, classifieds management by user, auto-generation of thumbnails and customizable e-mail notifications.

Drupal
Drupal is an advanced open-source content management tool for creating dynamic websites, which provides a broad range of features and services such as: user administration, publishing workflow, discussion capabilities, news aggregation, metadata functionalities using controlled vocabularies and XML publishing for content sharing purposes.

fuzzylime (cms)
fuzzylime (cms) is the easiest way for you to run your site and keep it up-to-date. Once installed, you can update from any internet-connected PC in the world - you don\'t even need to know HTML! It has tons of features so whatever you want from your site, chances are this script will be able to do it for you.

Geeklog
Geeklog is a weblog powered by PHP and MySQL. It allows you within minutes to set up a fully functioning dynamic website, and has many features to get you started. As of Geeklog 1.4, these features are:

• User-system, allowing members of the public to register for your site and submit stories.
• Comment system, allowing users to comment on posts made to your site.
• Block system, allowing you to put information anywhere on your site.
• Plugin system that allows you to extend Geeklog, without having to code any new PHP.
• Theme system that allows users to select what layout they want to view.
• Excellent security model that allows you to give users control over certain aspects of the site with no need to worry.
• Site Statistics that show you the most popular areas of your site.
• Link system that allows users to add links to the site.
• Calendar System that lets you and your user add up-and-coming events.
• Allow users to email stories to their friends.

Joomla
Joomla! is one of the most powerful Open Source Content Management Systems on the planet. It is used all over the world for everything from simple websites to complex corporate applications. Joomla! is easy to install, simple to manage, and reliable.<>
Joomla! is used all over the world to power everything from simple, personal homepages to complex corporate web applications. Here are just some of the ways people use our software:

• Corporate websites or portals
• Online commerce
• Small business websites
• Non-profit and organizational websites
• Government applications
• Corporate intranets and extranets
• School and church websites
• Personal or family homepages
• Community-based portals
• Magazines and newspapers
• the possibilities are limitless…
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Mambo
Mambo is a dynamic Web content management tool that is capable of building sites from several pages to several thousand.

It is a full-featured content management system that can be used for everything from simple websites to complex corporate applications. Continue reading for a detailed feature list. Mambo comes complete with 10 built-in modules, a WYSIWYG editor, site statistics, an admin interface, multi language support, custom module support, and more.

Moodle
A course management system designed to help educators create quality online courses. Available in 34 languages and features a WYSIWYG HTML editor. The teacher has full control over all settings for a course. There is a flexible array of course activities (Forums, Journals, Quizzes, Resources, Choices, Surveys, Assignments, Chats, Workshops), user logging and tracking, mail integration and much more.

Nucleus
Nucleus is a Content Management System (CMS): a powerful set of PHP scripts that allow you to maintain one or more weblogs or online journals. A powerful blog script featuring multiple blogs, multiple authors, drafts and future posts, bookmarklets. Nucleus is far more flexible and powerful than most of the CMS scripts, it expresses the values that guided its birth: flexibility, security, and computational elegance. A short summary of the most important features is given below:

• Runs on your own server
• One or more weblogs, even on the same page
• Plugin-interface to add extra functionality
• Comments
• Archives
• Categories
• Search
• Multiple authors
• Future items
• Drafts
• Extensive administration area
• Media library and file upload
• Fully customizable skins and templates
• Skin import/export
• Banlist against commenting system abuse
• RSS syndication
• Easy installation
• Easy backups

Open Realty
Open-Realty® is free web based listing management application. It is intended to be both easy to setup and use. Written in PHP, Open-Realty® is designed to be a fast and flexible tool for your website. With a large open-source community working with this application, and solid management from Transparent Technologies open-realty is the top choice for use on your website.

php-fusion
PHP-Fusion - a light-weight open-source content management system (CMS) written in PHP. It utilises a mySQL database to store your site content and includes a simple, comprehensive adminstration system. PHP-Fusion includes the most common features you would expect to see in many other CMS packages.

phpWebSite
phpWebSite provides a complete web site content management system. Web-based administration allows for easy maintenance of interactive, community-driven web sites.

phpWebSite\'s growing number of modules allow for easy site customization without the need for unwanted or unused features. Client output from phpWebSite is valid XHTML 1.0 and meets the W3C\'s Web Accessibility Initiative requirements.

phpWebSite allows an individual or group to easily maintain an interactive, community-driven web site. A brief summary of features is outlined below:

• Easy, web-based administration - minimal computer experience is needed to maintain site content.
• Flexible layout control - site page layout can be changed at anytime.
• Topic-based announcements - organize site announcements by category with automatic history rollover.
• Interactive content - visitors can post comments, submit announcements and web links.
• Full featured event calendar - post events by category and subcategory in a flexible cross-referenced calendar.
• Customized user experience - themes allow each vistor to customize the web site for his or her preferences or special needs.
• XHTML and WAI compliance - we are committed to meeting XHTML 1.0 specifications by our 1.0 release. Current errors are minimal.

WebSiteBaker
Website Baker is a PHP-based Content Management System (CMS) designed with one goal in mind: to enable it\'s users to produce websites with ease.

This Website Baker "Start" website is a resource for people wanting to find out more about Website Baker, and get a "start" with the project and our community.

For more information, please use the menu on the left to navigate your way around this site. Once your done here, you can use the main menu at the top to navigate your way around our entire community.

xoops
XOOPS is an extensible, OO (Object Oriented), easy to use dynamic web content management system written in PHP. XOOPS is the ideal tool for developing small to large dynamic community websites, intra company portals, corporate portals, weblogs and much more.

b2evolution
b2evolution is a powerful blog tool you can install on your own website.

It includes all the features of traditional blog tools, and extends them with evolved features such as file & photo management, advanced skinning, multiple blogs support as well as detailed user permissions...

Not to mention third party plug-ins!

Movable Type
With more than 50 new features, MT4 will enable you to quickly start a blog, easily manage entire blogging websites, and better connect with your audience. Here\'s some of what\'s new in MT4:

• A completely redesigned user interface
• It\'s easy to install and easy to get started
• Get an at-a-glance summary of your blogging activity from content to contributors on our new dashboard
• Easily insert text, photos, files and more with a rich WYSIWYG editing
• Built-in asset, photo and file management
• Support for creating standalone pages that automatically inherit your blog\'s design
• Built-in member registration system for reader and comment authentication
• Support for OpenID
• Aggregate posts from multiple blogs into a single blog
• Expanded options for archiving and displaying content
• And much more...

Textpattern
When it comes to publishing on the internet, beginners and experts alike are met with a bothersome paradox: word processors and graphics applications allow anyone to do a pretty good job of managing text and images on a personal computer, but to make these available to the worldwide web – a seemingly similar environment of documents and destinations – ease of use vanishes behind sudden requirements for multilingual programming skills, proficiency in computer-based graphic design, and, ultimately, the patience of a saint. Those who soldier on anyway may find themselves further held back by the web’s purported inflexibility with written language, with its reluctance to cope with all but the plainest of text, or by the unpredictable results brought about by using “WYSIWYG” web editors. Textpattern is a web application designed to help overcome these and other hurdles to publishing.

WordPress
WordPress is a state-of-the-art semantic personal publishing platform with a focus on aesthetics, web standards, and usability. What a mouthful. WordPress is both free and priceless at the same time.

More simply, WordPress is what you use when you want to work with your blogging software, not fight it.

Help Center Live
Very powerful all-in-one help center including Live Help, Support Tickets and FAQ. Features include unlimited operators/departments, monitor visitors, initiate chat, collect visitor\'s information, track visitor\'s footprint, autosave chat transcripts, canned messages, leave a message, auto-assign tickets to operators, unlimited FAQ topics.

PHPTickets
phpTickets is a trouble ticket support system written in PHP and utilizes a mySQL databse for storage. Tickets can be entered manually or can also be pulled in automatically from any POP account. Each new ticket is assigned a unique number and is tracked and replied to via this tracking number. This makes trouble ticket reporting easier to maintain tickets throughout their life cycle until they are closed.

phpBB2
Since its inception, phpBB has been among the leading bulletin board solutions and quickly rose to be the world\'s leading Open Source forum software. phpBB has always comprised of a key feature set, including powerful permission systems, private messaging, search functions, a customisable template and language system, as well as support for multiple databases.

smf
Simple Machines Forum - SMF in short - is a free, professional grade software package that allows you to set up your own online community within minutes.

OS Commerce
osCommerce is an online shop e-commerce solution that offers a wide range of out-of-the-box features that allows online stores to be setup fairly quickly with ease, and is available for free as an Open Source based solution released under the GNU General Public License.

osCommerce was started in March 2000 and has since matured to a solution that is currently powering 12,668 registered live shops around the world.

Today, osCommerce has been taken to the next level, moving towards an e-commerce framework solution that not only remains easy to setup and maintain, but also making it easier for store administrators to present their stores to their customers with their own unique requirements.

OS CommRes
OS CommRes ranks first among the most powerful open-source booking systems. The commercial solution is based on the secure, scaleable and reliable OS CommRes project. The solution includes a full Call Centre module, and key metrics such as inventory management, sales auditing, and bookings analysis.

DOTproject
dotProject is a web-based project management application, designed to provide project layout and control functions.

PHProject
PHProjekt is a modular application for the coordination of group activities and to share informations and document via the web.

Components of PHProjekt: Group calendar, project management, time card system, file management, contact manager, mail client and many other modules.'

MJguest
MJGUEST is a free professional guestbook, designed as hi-end solution for both personal homepages and corporate websites.

4Images Gallery
4images is a powerful web-based image gallery management system. Features include comment system, user registration and management, password protected administration area with browser-based upload and HTML templates for page layout and design.

Coppermine
Coppermine Photo Gallery is an advanced, user-friendly, picture gallery script with built-in support for other multi-media/data files. The gallery can be private, accessible to registered users only, and/or open to all visitors to your site. Users, if permitted, can upload pictures with their web browser (thumbnail and intermediate sized images are created on the fly), rate pictures, add comments and even send e-cards. The site administrator determines which of the features listed above are accessible by registered and non-registered users.

Gallery2
Gallery is a web based software product that lets you manage your photos on your own website.

You must have your own website with PHP and database support in order to install and use it.

With Gallery you can easily create and maintain albums of photos via an intuitive interface. Photo management includes automatic thumbnail creation, image resizing, rotation, ordering, captioning, searching and more. Albums and photos can have view, edit, delete and other permissions per individual authenticated user for an additional level of privacy.

plogger
Plogger is the next generation in open-source photo gallery systems. A web application not bloated with superfluous features or complicated configuration settings. Plogger is a simple yet powerful tool — everything you need to share your images with the world. Plogger is your photos integrated into your website, a fully featured photo sharing package with an attractive and easy to use administrative interface that makes managing your galleries a breeze. Integrating our gallery software into your website is as easy as inserting three lines of PHP code.

phpcoin
phpcoin is a comprehensive billing/invoicing application, perfect for web hosting resellers to manage their customer orders, invoices, notes and helpdesk. The tool can be used by different types of businesses as well.

DokuWiki
DokuWiki is a standards compliant, simple to use Wiki, mainly aimed at creating documentation of any kind. It is targeted at developer teams, workgroups and small companies. It has a simple but powerful syntax which makes sure the datafiles remain readable outside the Wiki and eases the creation of structured texts. All data is stored in plain text files - no database is required.