Question2Answer site helps your online community to share knowledge. People with questions quickly get the answers they need.

TheHostingTool is a free hosting billing software

LinPHA is an easy to use, multilingual, flexible photo/image archive/album/gallery

Joomla is an award-winning CMS, which enables you to build Web sites and powerful online applications

Gregarius is a web-based RSS/RDF/ATOM feed aggregator

ProjectPier is a Free, Open-Source, self-hosted PHP application for managing tasks, projects and teams through an intuitive web interface

Piwik is a open source web analytics software program

Omeka is a free, flexible, and open source web-publishing platform for the display of library, museum, archives, and scholarly collections and exhibitions.

Mound is a lightweight software development and collaboration system written in PHP

PivotX is free software to help you maintain dynamic sites such as weblogs, online journals and other frequently updated websites in general.

The Small, Simple, Site Maker

Freeway is by far the largest and most fully featured Open Source eCommerce platform

Manage your MySQL databases over the web using a secure and intuitive interface with blazing fast performance.

Podcast Generator is a free web based podcast publishing script

Pixelpost is an open-source, standards-compliant, multi-lingual, fully extensible photoblog application for the web

StatusNet is the open source microblogging platform

If you need to add any kind of file upload functionality to your website, then Aurigma PHP File Upload is the solution that you have been looking for. Suitable for just about any website, this solution provides various features which allow you to customize things such as appearance, interface language and file types to be uploaded to your site. It is ideal for anyone who needs a PHP file upload functionality on their site.

phpCollab is an open source internet-enabled system for use in projects that require collaboration over the internet.

The Hablator is an advanced GPLed chat script written in PHP and Javascript.

Silex is a free and open source software that allows to create Flash and Html websites directly in the browser without writing code.

YOURLS is a small set of PHP scripts that will allow you to run your own URL shortening service

PmWiki is a wiki-based system for collaborative creation and maintenance of websites

Simple and functional shopping cart for you and your customers.

osCommerce is an online shop e-commerce solution

OpenDocMan is an opensource document management for the masses

Impleo is a simple PHP-script for managing your record collection

WEBinsta mailing list manager is built to provide a centralized mailing list

Seo Panel is a complete open source seo control panel for managing search engine optimization of your websites.

OpenNewsletter is a web-based newsletter system

OpenClassifieds is a free open source script for classifieds, advertisement or listings