There are many alternatives to Helium for Mac if you are looking for a replacement. The best Mac alternative is Pennywise, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to Helium and nine of them are available for Mac so hopefully you can find a suitable replacement. Other interesting Mac alternatives to Helium are PiP for Mac (Free, Open Source), Fluid Browser (Paid), PiPer (Free, Open Source) and HeliumLift (Free).
Pennywise opens any website or media in a small floating window that remains on top of all other applications. Pennywise windows stays up all the time. No need to keep struggling with alt + tab, use Pennywise for easy multitasking.
Clone any visibile window Crop the preview Auto and manual resize preserving the aspect ratio Multiple window preview from same process, cmd+n to open and cmd+w to close Pinch to zoom Click-through Opacity control
Fluid is a floating browser built to view your favorite media like Netflix, Youtube and Hulu right alongside your work. Fluid works just like any other browser, however, once active Fluid only shows your media or web content hiding away all other features of thebrowser.
Picture in Picture (PiP) allows watching videos from the internet while working at a computer. Using unique algorithms, the program finds videos on web pages and allows to open them in a floating window, that remains in the front.