Pennywise
Helium
PiP for Mac
PiPer
PiP-Tool
PiPifier
Picture In Picture
HeliumLift
Duplicate Windows
Afloat
PiP for Mac
PiP-Tool
Picture In Picture
Helium
PiPifier
PiPer
Duplicate WindowsDuplicate Windows might be a bit more popular than Pennywise. We know about 1 link to it since March 2021 and only 1 link to Pennywise. 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
I haven't used this personally, but it may get you some of the way there: Duplicate Windows app. Source: about 1 year ago
Helium - Helium lets you accept payments by credit card for anything you want to sell online.
Afloat - Create beautiful invoices in 3 clicks, without mistakes
PiP for Mac - Always on top window preview similar to the popular windows only OnTopReplica
PiPer - A DIY Minecraft computer to build gadgets
PiP-Tool - PiP tool is a software to use the Picture in Picture mode on Windows.
Picture In Picture - Picture In Picture comes as an extension tool that enables users to watch videos in a floating window.
