Sticky notes extension
A GNOME Shell extension providing customizable sticky notes.
Installation
From here
Or like that:
cd ~/.local/share/gnome-shell/extensions
git clone https://github.com/Maestroschan/notes-extension-gnome.git
mv notes-extension-gnome-master notes@maestroschan.fr
Storage
Notes are stored in files at ~/.local/share/notes@maestroschan.fr/*_text