Synthesia but open source, made in python and free

Requirements are in requirements.txt, You NEED python 3.10 or higher
If you struggle with installation of pyaudio, run :
pip install pipwin
pipwin install pyaudio
(run main.pyw to launch PyPiano, change extention to .py to see the debug console)

• click and drag to create a tile on a note
• click on side of a tile to edit the length of this tile
• click and drag the tile to move it

• click on a tile to delete it

• Arrow up with mouse cursor on a note to increase his strength (1-16)
• Arrow down with mouse cursor on a note to decrease his strength (1-16)

• Scroll with mouse wheel on the upper part to scroll it (you can also use the scrollbar at the right). There is a ruler that helps you to figure out at what time you are
• Scroll with the mouse wheel / scroll bar on the lower part to scroll the piano notes

• Hit space twice to play the music
• Hit space to pause the playing music
• Ctrl-c on a tile to copy it
• Ctrl-v to paste it on any notes

• Exit : exit the app
• Load : Load a saved pypiano file
• Save : Save your current piano music
• Export : Export your music as a wave file
• Play : Play your music (begins at the location you're at)

Any review is welcome, I'll be glad to fix errors or to add features through the issues section !
Cheers, Dacapo