Install etm-qt by entering the following commands in the terminal:
sudo apt update sudo apt install etm-qt
Description:
manages events and tasks using simple text files (dummy package)
A simple, intuitive format for using plain text files to store data and a cross-platfrom, Qt-based GUI for creating and modifying items as well as viewing them in a variety of convenient ways. Supported alarms include display, sound, email, text message and process. Repetition is supported in a powerful and flexible manner. . This is a transitional package has been replaced by the Tk port, so this package is safe to remove.
Homepage: http://people.duke.edu/~dgraham/etmtk/
Version: 3.2.30-1
Section: universe/oldlibs