OnTopReplica A lightweight application that provides a real-time thumbnail replica of any window of your choice. OnTopReplica will stay always on top, allowing you to keep track of... Free Open Source Windows On top Add a feature 17 Like
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 No features added Add a feature 7 Like
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 On top Add a feature 3 Like
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 No features added Add a feature 3 Like
