A flexible project management web application.
A free and open-source content management system (CMS) based on PHP
A free and open source content-management system and framework written in PHP and using relational database management system as a storage.
A free and open source e-commerce and online store-management software program
A self hosted Web publishing platform on Rails
Rails eCommerce System, fork of Spree
A complete open source e-commerce solution for Ruby on Rails
A free and open-source version of customer relationship management system SugarCRM. It includes sales-force automation, marketing campaigns, customer support, etc.