What is Magento

An ecommerce platform built on open source technology which provides online merchants with a flexible shopping cart system, as well as control over the look, content and functionality of their online store. Magento offers powerful marketing, search engine optimization, and catalog-management tools.

Features :

Flexibility
Open source and agile
Boosts your online sales while maximizing gross margins
Magento businesses sell more at a lower TCO than merchants on competitive commerce platforms