Install knotes by entering the following commands in the terminal:
sudo apt update sudo apt install knotes
Description:
sticky notes application
KNotes is a program that lets you write sticky notes. The notes are saved automatically when you exit the program, and they display when you open the program. The program supports printing and mailing your notes.
Homepage: http://pim.kde.org/
Version: 4:17.12.3-0ubuntu1
Section: universe/kde