Umbrello is a free and open source Unified Modelling Language Modeller and code generator application for Linux, MacOS and Windows. Using UML you can create diagrams of software and other systems in a standard format to document or design the structure of your programs. It is released under GNU General Public License v2.0 or later and a kde project. It supports XMI formats and use case, class, sequence, communication, state, activity, component, deployment and entity relationship diagrams.
Install Umbrello on Ubuntu Linux
Umbrello is available as a snap package for Ubuntu Linux. You can install it via the terminal application. Open terminal app using the ctrl+alt+t keys and run below Umbrello snap installation command.
sudo snap install umbrello
After the installation you can open it via the application menu or via below command in terminal.
If you don’t need then uninstall via below command.
sudo snap remove umbrello