Webuzo for TomatoCart - Version 1.1.5 TomatoCart is open source shopping cart software using the ExtJS RIA framework, which makes it second-to-none friendly to users. TomatoCart covers nearly all the features a shopping cart could ever have and is continuing progressing with its roadmap.TomatoCart can hardly tear yourself away from the desktop-and-multiwindow administration panel with other shopping cart solution experience.