Install semantik by entering the following commands in the terminal:
sudo apt update sudo apt install semantik
Description:
mindmapping-like tool for KDE
Semantik is a mindmapping-like tool to help students to produce complicated documents very quickly and efficiently: presentations, dissertations, thesis, reports. While targeted mostly at students, Semantik can also help teachers, decision maker, engineers and businessmen.
Homepage: http://freehackers.org/~tnagy/semantik.html
Version: 0.9.5-0ubuntu2
Section: universe/kde