Flat Calendar
Flat Calendar was designed for those of us who need calendar and event book functionality but do not have access to a database, or would simply prefer to store the data in a flat text file. Unlike most of the calendar and event book scripts available, Flat Calendar stores all its events in files on the server without any use of a database.

phpBB
phpBB is a high powered, fully scalable, and highly customisable open-source bulletin board package.
 
phpBB has a user-friendly interface, simple and straightforward administration panel, helpful FAQ, and is the ideal free community solution for all web sites.

XMB Forum
XMB Forum allows you to build, manage, and promote your online community.

PHProjekt
PHProjekt is a modular application for the coordination of group activities and to share informations and document via intranet and internet.
 
PHProjekt components include calendar, project management, time card system, file management, and contact manager.

Advanced Guestbook
Advanced Guestbook is a guestbook script, which allows visitors to your website to post comments.
 
Features include: preview, templates, e-mail notification, picture upload, page spanning, html tags handling, smilies, advanced guestbook codes and language support. The admin script lets you modify, view, and delete messages.

PHP Guestbook
GBook is an easy to use PHP guestbook, which allows your visitors to post comments on your website.
 
GBook includes advanced (and regularly updated) SPAM protection.

MediaWiki
MediaWiki is a feature-rich wiki implementation, and is used to run Wikipedia and many other wikis.

 

 

b2evolution
b2evolution is a news/weblog tool. You enter your news items through an easy-to-use web interface and the updates will appear dynamically on your webpage. The script also handles archving and commenting. b2evolution is an extension of the 'b2' blog script.

Pivot
Pivot is a web-based tool to help you maintain dynamic sites, like weblogs or online journals.

WordPress
WordPress is a state-of-the-art personal publishing platform/blogger with a focus on aesthetics, web standards, and usability.

Drupal
Drupal is an open-source platform and content management system for building dynamic web sites offering a broad range of features and services including user administration, publishing workflow, discussion capabilities, news aggregation, metadata functionalities using controlled vocabularies and XML publishing for content sharing purposes.
 
Equipped with a powerful blend of features and configurability, Drupal can support a diverse range of web projects ranging from personal weblogs to large community-driven sites.

Soholaunch
Soholaunch Pro Edition Website Builder makes it easy for people of all experience levels to build and maintain a great website.

Moodle
Moodle is a course management system (CMS) - a free, Open Source software package designed using sound pedagogical principles, to help educators create effective online learning communities. Moodle can scale from a single-teacher site to a University with 200,000 students.

CodeIgniter
Code Igniter is an Application Development Framework - a toolkit - for people who build web sites using PHP. Its goal is to enable you to develop projects must faster than you could if you were writing code from scratch, by providing a rich set of libraries for commonly needed tasks, as well as a simple interface and logical structure to access these libraries. Code Igniter lets you creatively focus on your project by minimizing the amount of code needed for a given task.

Coranto
Coranto is your everyday Content Management System (CMS). It's designed to be flexible, and you can easily expand Coranto's functions by the use of a multitude of "snap-in" addons. Whether you run a small blog or a fully scaled newspaper with millions of hits every day, you can rely on Coranto's fully browser-based environment to update your site. The script also has its own forums for your support, questions and ideas.

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.

Mambo
Mambo Open Source Content Management System is the friendliest and most advanced CMS open source software available. Quite simply, MOS allows anyone to manage a web site. It is easily configured for personal sites, and powerful enough for large-scale commercial installations, perfect for non-tech webmasters and advanced programmers alike.

Cportal
Online ContentPortal.
Online CollaborationPortal.
Online CommunityPortal.
Online CorporatePortal.
 
Is a website engine that drives cutting-edge interactive and dynamic sites, by providing a wide range of features that are useful on many different kinds and themes of web-site. ocProducts works with many customers, supporting business enterprises to amateur or special-interest sites, through a range of services. Through our product and services we can help you leverage the functionality you need, delivering full end-to-end web-site solutions when required.

PHP-Nuke
PHP-Nuke is an automated news system specially designed to be used in Intranets and the Internet. The Administrator has total control of his web site, registered users, and he will have in the hand a powerful assembly of tools to maintain an active and 100% interactive web site using databases.

PostNuke
Some may see PN as a weblog or content management system. But PN is more than that, PostNuke is a community, content, collaborative management system, a C3MS. It's your electronic toolbox, a set of tools allowing you to build a dynamically generated web site that five years ago would have cost thousands of dollars to launch.

XOOPS
Xoops is a dynamic-Object Oriented based open source portal script 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.

 

 

Noah's
Noah's Classifieds allows you to set up as many ad-categories as you want, specifying custom fields for each category. Your visitors can advertise practically anything you want: from hardware to books, from cars to houses, from jobs to even themselves (in a dating category, for example). Of course, you can also use it to advertise your own products.

OpenX
OpenX is a free, open source ad server that is trusted by more than 30,000 web publishers in over 100 countries around the world. OpenX is a powerful ad serving solution that puts control over online advertising back in the hands of publishers.

CubeCart
CubeCart is an eCommerce script that allows you to setup a powerful online store.

osCommerce
osCommerce is an online shop e-commerce solution. Its feature-packed out-of-the-box installation allows store owners to setup, run, and maintain their online stores with minimum effort and with absolutely no costs or license fees involved.

phpShop
phpShop is a PHP-based e-commerce application and PHP development framework. phpShop offers the basic features needed to run a successful e-commerce web site and to extend its capabilities for multiple purposes.

phpMyFAQ
phpMyFAQ is a multilingual Frequently-Asked-Questions system.
 
phpMyFAQ also offers a Content Management-System, flexible multi-user support, a news-system, user-tracking, language modules, templates, extensive XML-support, PDF-support, and a backup-system.

PhpCOIN
phpCOIN (Clients, Order, Invoices, and Notes) is an e-commerce/online-store solution that includes a variety of modules (store setup and display, customer management, invoicing, payment, and support) within a single interface.

Crafty Syntax Live Help
Live Help is a multi-user, multi-operator, multi-department live Help support chat system that allows the operators of the websites to monitor their visitors as they are browsing the site and proactively open a chat session with the visitor.
 
Features include auto-invite, referer tracking, page tracking, chat notification, user is typing message, multiple chat sessions, sound alert, leave a message if offline, push urls, quick responses, and multiple operators.

Help Center Live
Help Center Live is a fully-featured support system that includes FAQ management, a TROUBLE TICKET system, and LIVE CHAT.

osTicket
osTicket is a widely-used open source support ticket system. It seamlessly integrates inquiries created via email and web-based forms into a simple easy to use multi-user web interface. Easily manage, organize and archive all your support requests and responses in one place while providing your clients with accountability and responsiveness they deserve.

SugarCRM
SugarCRM is a premier customer relationship management application. Sugar Suite brings a new and effective way to better acquire, sell, service and manage customers, helping companies increase revenue by being more organized.
 
This is the free open source version of SugarCRM. More features are available in the commercial versions.

 

 

php File Manager
php File Manager, based on the script written by phpfm.zalon.dk, is an open source, web-based File Manager.

Invision Power File Manager
Invision Power File Manager is a popular file management script that is extremely user friendly and gives you full control over all the users actions.
 
Invision Power File Manager is completely free for both personal and commercial use, all that we require is that the small link back to Invision Power Inc at the bottom of the page is left intact.

Coppermine
Coppermine is a multi-purpose and fully-featured image gallery script.

Gallery 1
Gallery lets you manage your photos on your own website.
 
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 can have read, write and caption permissions per individual authenticated user for an additional level of privacy. Give accounts to your friends and family and let them upload and manage their own photos on your website!

Gallery 2
Gallery is the next generation of open source photo sharing web applications. Gallery gives you an intuitive way to blend photo management seamlessly into your own website whether you're running a small personal site or a large community site. Hundreds of thousands of people and organizations are using Gallery to create personalized photo albums on their websites.

 

 

phpLinks
PHPLinks allows you to run an efficient Link Farm with full search capabilities.

SiteBar
Access and manage your private, shared or public bookmarks from any computer and browser connected to the Internet! Create personal, family, team, company or enterprise-wide bookmarks with flexible access rules, permissions and customizable design!

iTron Clock
Installatron Clock is a simple script that allows you to insert a static or dynamic text-based date and/or clock display on your webpage. The display is highly configurable and is easy to insert into any webpage.

WebCards
Keep visitors returning to your site again and again with this powerful, efficient and easy to use e-card system. Featuring a full administration centre with a simple interface and full banning controls, visitors will enjoy communicating with their friends, bringing you more and more visitors.

Contact Form
Contact Form provides a simple way for visitors to contact you through your website. In addition to being a quick and easy way for visitors to contact you, this also helps eliminate spam by hiding your email address from spambots.

PHPlist
PHPlist is a web application that implements a personalised mailing list manager or customer relationship management (CRM) system.
 
PHPlist is designed to assist you to stay in touch with your audience, without flooding them with information they don't want. PHPlist is an essential tool for anyone who is serious about creating, capturing and maintaining an offline audience, and will help you increase traffic to your website.

Site Recommender
Site Recommender allows your visitors to recommend your site to one or more recipients. Default messages are easily modified and the look and feel is customizable via CSS stylesheet. You can choose to be notified when your site has been recommended, and email addresses are hidden so cannot be harvested by spammers. Also contains error checking.

phpFormGenerator
phpFormGenerator is an easy-to-use tool to create reliable and efficient web forms in a snap. No programming of any sort is required. Just follow along the phpFormGenerator wizard and at the end, you will have a fully functional web form!

Feed on Feeds
FEED ON FEEDS is an easy to use server-side news aggregator that supports RSS and Atom.
 
A news aggregator allows you to subscribe to news sources and have new items collected together on a single page. The newest items appear at the top, and you can mark old news items read.

Search Engine Project
TSEP (The Search Engine Project) is a search engine for a website. You can put a 'Search this site' anywhere on your website and let people quickly find what they are looking for.

 

 

Advanced Poll
Advanced Poll is a polling system with powerful administration tool. It features: multiple polls, templates, unlimited options, multi-language support, IP-Logging, IP-Locking, cookie support, comment feature, vote expire feature, random poll support and more.

LimeSurvey
LimeSurvey (aka PHPSurveyor) is a leading Open Source Online Survey Tool written in PHP.
 
LimeSurvey allows you to develop, publish and collect responses to surveys. LimeSurvey includes a wide range of built-in question types, and a range of flexible options.
 
Your surveys can include branching, your own preferred layout and design (using a templating system), and can provide basic statistical analysis of survey results.
 
Surveys can be public, or can be strictly controlled through the use of "once-only" tokens for each survey participant.

phpESP
phpESP allows you to create and publish surveys.

Simple Pool
Simple Poll employs a simple to use admin interface and template customizations for your poll so that you can easily adapt to the look and feel of your web site. Setup as many polls as you like.

Aardvark Topsites
Aardvark Topsites is simply the best topsites script there is. Features include: pageview counts, hits in and hits out, members ranking, and customizable templates.

phpMyCounter
phpMyCounter is an easy to use yet sophisticated counter script. It includes an administration interface that allows you to customize the counter appearance and it works with PHP, SSI, or plain HTML webpages.