The best replacement for ecommerce is e-commerce.

The best alternatives to ecommerce are rated as following:
★★★★★  e-commerce
★★★★  ebusiness
★★★  retail
★★★  e business
★★★  mcommerce
★★  ubercart
★★  traditional commerce
★  web hosting
★  oscommerce
★  magento
★  shopify
  eshop
  opencart
  shopping cart
  ecommerce
  traditional business
  shopp
  commerce

Your alternative for ecommerce is not listed? Suggest!
Speaking about ecommerce, one probably shouldn't forget about wordpress.

Other search terms related to ecommerce and their ratings are:
★★★★★ wordpress
★★ pos
★ shopping cart
★ cms
magento
site builder
quickbooks integration
You have in mind a companion for ecommerce and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of ecommerce in all years. Click on graph for more.
ecommerce
e-commerce
ebusiness