There is only one such open source eCommerce software development platform that overcomes any such challenge that one could incur by operating or creating their open source multi-vendor eCommerce or a niche store through any of the platforms mentioned above. It is Sellacious. This Joomla based open source ecommerce software overshadows any other eCommerce development platform in terms of cost, maintenance or creation efforts, and operations. It has more than 5000 essential eCommerce features leveraging which a store owner can create fully functional and agile - b2b, b2c, c2c, niche, or multi-vendor eCommerce software, that too within 15 minutes. Reach out to customer support to know more. Unlike CS-Cart and BigCommerce, Sellacious’s customer support is available for free 24x7, 365 days to hear out all your grievances, resolve them and provide solutions to custom requirements through the core development team. This open-source development tool also provides custom development support for various other platforms at comparatively lower rates than the source companies like for CS-Cart, etc.