What is Magento?

[grofee]

Magento is 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.

[Akshay_M]

Magento is a platform with built-in PHP, which helps programmers create eCommerce websites.