appcelerator is an open source platform that provides everything you need to build rich web, mobile and desktop applications. Appcelerator’s flagship product is called the Appcelerator Platform. The Appcelerator Platform consists of an SDK for building rich web applications and is completely open source.

Fork is a new CMS in the block and looks promising, Something to watchout for.

Pligg is an open source content management system available for download at no cost. Pligg is based on PHP/MySQL

CMS Made Simple is an open source (GPL) package, built using PHP that provides website developers with a simple, easy to use utility to allow building small-ish (dozens to hundreds of pages), semi-static websites. Typically our tool is used for corporate websites, or the website promoting a team or organization, etc. This is where we shine. There are other content management packages that specialize in building portals, or blogs, or article based content, etc. CMS Made Simple can do much of this, but it is not our area of focus.

Ohloh is a free, public directory of Free and Open Source Software and the contributors who create and maintain it. Ohloh Code is a publicly available, free code search site that indexes most of the projects in Ohloh.

SimplePie is a very fast and easy-to-use feed parser, written in PHP, that puts the 'simple' back into 'really simple syndication'. Flexible enough to suit beginners and veterans alike, SimplePie is focused on speed, ease of use, compatibility and standards compliance.

This is the php demo of the most flexible open source job board application. Follow @joobsbox to know when we launch next version. Check the Administration on this page