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: about 2 years ago
Helium - Helium lets you accept payments by credit card for anything you want to sell online.
BeatStore - BeatStore is an eCommerce solution for music producers to license and sell their instrumentals.
PiP for Mac - Always on top window preview similar to the popular windows only OnTopReplica
Shoprocket - Add eCommerce to your existing website in 5 minutes.
PiPer - A DIY Minecraft computer to build gadgets
EthosPay - EthosPay provides merchant processing services for low and high risk merchants.