E-Commerce:

OpenX is a powerful ad serving solution that puts control over online advertising back in the hands of publishers.

db4o (database for objects) is a high-performance, embeddable open source object database for Java and .NET developers. Get a head start for your products by leveraging db4o’s cutting edge technology to achieve unprecedented levels of performance and flexibility.

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.

PrestaShop is a full-featured, cross-platform eCommerce shopping cart application for the Web 2.0 era. Open-source and Web-based (PHP5), PrestaShop is customizable, stable, and “weighs” only 2.2MB for a quick and easy installation.

Fishcart is a catalog management system that includes multi-lingual support, customer information tracking, close out items, audio or video clips for products and integrates the UPS Online® Shipping Tools.

Ubercart is a shopping cart and e-commerce suite built on top of the leading open source CMS, Drupal. It integrates with the Drupal core and other contributed systems to provide a shopping cart on top of your normal community or company website.

Zen Cart is an online store management system. It is PHP-based, using a MySQL database and HTML components and provides support for many languages and currencies.

Octave is a free computer program for performing numerical computations which is mostly compatible with MATLAB. It is part of the GNU project.

phpMyVisites is a powerful software for websites statistics and audience measurements providing detailed of information on websites visitors, visited pages, software/hardware utilization, etc. The GUI Interface is fun and practical and the installation is entirely automated and very simple.

Piwik is web analytics software that provides in-depth reports on your website visitors, your popular pages, search engine keywords, languages used and much more. It aims to be the OSS equivalent to Google Analytics.

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.

Magento is a professional eCommerce solution offering unprecedented flexibility and control. Magento’s modular architecture puts the control back in the hands of the online merchant and places no constraints on business processes and flow.