FretTool 1.0-dev1-Beta

The first early release of FretTool. Make sure to report any issues.
Below you can find the Setup for windows.
If you are using Mac or Linux, you may want to install python and download the source code. Then you need to install the requirements with the following command: pip install customtkinter pillow, after that you can finally run python main.py or python3 main.py in the directory where you see the main.py file.