Based on our record, Pennywise seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Afloat - Don't know if it will work for macOS 12. If it's just for safari alone, you can try Pennywise. Source: over 2 years ago
Helium - Helium lets you accept payments by credit card for anything you want to sell online.
Swell.is - Customizable, API-first ecommerce platform for innovative brands, startups, and agencies.
PiP for Mac - Always on top window preview similar to the popular windows only OnTopReplica
Vendure - Open-source headless e-commerce framework for developers
Jigsaw - Welcome to a dynamic community with connections to millions of B2B decision makers. It's the fastest way to reach the right people, and never waste time hunting down the wrong person again.
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.