Pennywise - Cross-platform application to open any website or media in a floating window
PiP for Mac - Always on top window preview similar to the popular windows only OnTopReplica
PiPifier - PiPifier is a macOS 10.
Shopify - Shopify is a powerful ecommerce platform that includes everything you need to create an online store and sell online. Try it free for 14 days.
X-Mouse Button Control - XMouse Button Control (XMBC) allows you to create application and window specific profiles.
Swell.is - Customizable, API-first ecommerce platform for innovative brands, startups, and agencies.