Smile is a free and open source emoji picker software for Linux. It is written in Python and released under GNU General Public License v3.0. Smile comes with custom tags support. Just select any emoji using the arrow keys in your keyboard and press Alt + T to insert any custom tag. It also comes with keyboard shortcuts and build-in search bar. It is simple and easy to use application.
Install Smile Emoji Picker on Ubuntu linux
Smile Emoji Picker is available as flatpak package from flathub. you need to install flatpak on your system first to install Smile. Click the below link to get the latest flatpak and flathub installation instructions. After that restart your system.
How to install flatpak and flathub
Now open your terminal command line application and run below Smile Emoji Picker flatpak installation command.
flatpak install flathub it.mijorus.smile
You can open Smile Emoji Picker using below command or also via the applications menu.
flatpak run it.mijorus.smile
You can uninstall it using
sudo flatpak uninstall it.mijorus.smile