See https://lima-vm.io

Open in Qt Creator GUI:

qtcreator systray.pro

Or on the command line:

$ qmake
$ make
...
$ ./lima-gui

You can use Kvantum, for theme support. It has several themes:

QT_STYLE_OVERRIDE=kvantum (or use kvantummanager GUI)

See https://doc.qt.io/qt-5/qtwidgets-desktop-systray-example.html

Tux icon from the Crystal project by Everaldo Coelho. The icons are licensed under the GNU Lesser General Public License (LGPL).

These features are optional, and can be disabled or enabled in build:

• QTermWidget (default: off) https://github.com/lxqt/qtermwidget
• QrwEmoticons (default: on) https://github.com/raven-worx/qrwemoticons
• QSourceHighlite (default: on) https://github.com/Waqar144/QSourceHighlite
• QVNCClient (default: on) https://bitbucket.org/amahta/qvncclient

The QTermWidget has a GPL-2+ license, and is not included by default.

The default is to start the regular terminal application, externally.

If you don't have a terminal application, there is one available here:

• QTerminal https://github.com/lxqt/qterminal (under GPL-2+ license)