Allomani - Allomani is an E-Store with the shopping cart for online shopping websites, hosting & designing, Paid services, etc.
AffiliateWP - A powerful affiliate marketing solution for WordPress.
OpenCart - A free shopping cart system. OpenCart is an open source PHP-based online e-commerce solution.s
Echo - Golang HTTP server framework
Selz - Seriously Simple Selling
Rakuten Marketing Affiliate - Rakuten Marketing Affiliate is a comprehensive affiliate network that helps marketers get to engage consumers through their customer journey.