Take temporary notes on your desktop, with this floating-note app. Notes are stored locally in a SQLite database.
This app is very simple, but demonstrates creation of decoration-less windows in PyQt. Removing the window decorations removes the means to drag windows around, so we must re-implement this behaviour ourselves.
If you think this app is neat and want to learn more about PyQt in general, take a look at my free PyQt tutorials which cover everything you need to know to start building your own applications with PyQt.