eCart is a powerful open source PHP Shopping Cart project with two innovative features: Social Shopping and Categories Filters Creation.

Social Shopping is a hybrid of traditional shopping and e-commerce, because customers shop in a social networking environment benefiting from other customer reviews. It allows customers access to FaceBook, Twitter and other Social Network sites so that customer can write reviews and complete summaries about the products they have purchased, including attaching images or video to upload to Fickr or YouTube.

Categories Filters permits customers to drill down the exact what they want to purchase. Filtering can be used for different fields including brands, manufacturers and sizes. The filters work by letting the user choose from a drop down box to filter the products that are displayed.

Features of eCart:
- Multiply stores management
- Admin Ajax user interface
- One page checkout
- SEO friendly
- Advanced Catalog Filter.