Helium

Helium is a floating browser window that allows you to watch media while you work. Your content will never fall behind your other windows even as you switch tasks.

Free Open Source Mac OS X

Afloat

Keep windows afloat (heh) on top of all others. Pin windows to the desktop. Move windows from anywhere, not just the title bar. Turn a window into an...

Free Open Source Mac OS X SIMBL

Duplicate Windows

Duplicate Windows allows for the graphical duplication of any window in Mac OS X, live and on-the-fly.

Commercial Mac OS X

WindowWatcher

WindowWatcher is a free hybrid window magnifier and remote control spy. It gives Windows the ability to have proper and resizable picture-in-picture support above and...

Free Windows

TurboTop

Like the "Always on Top" feature that some programs have? TurboTop lets you set any window to be "Always on Top!" Taskbar With TurboTop Icon (to...

Free Windows

PiP for Mac

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...

Free Open Source Mac OS X

Sticky Previews

Sticky Previews is a lightweight productivity tool that lets you create live previews of any window or a screen region of your choice. It keeps previews above all other...

Commercial Windows