SDDM using the Breeze theme, with the default "Ice Cold" background

sddm

modern display manager for X11

SDDM is a modern display manager for X11 aiming to be fast, simple and beautiful. It uses modern technologies like QtQuick to create smooth, animated user interfaces.
small, friendly text editor inspired by Pico - tiny build

nano-tiny

small, friendly text editor inspired by Pico - tiny build

GNU nano is an easy-to-use text editor originally designed as a replacement for Pico, the ncurses-based editor from the non-free mailer package Pine (itself now available under the Apache License as Alpine).
stterm in Debian 9.8

stterm

simple terminal emulator for X

st is a terminal emulator from the suckless project with a focus on simplicity, clarity and frugality. The project's philosophy is about keeping things simple, minimal and usable.
Desktop Sharing utility

krfb

Desktop Sharing utility

KDE Desktop Sharing is a manager for easily sharing a desktop session with another system. The desktop session can be viewed or controlled remotely by any VNC or RFB client, such as the KDE Remote Desktop Connection client.
"No Tofu" font families with large Unicode coverage (CJK regular and bold)

fonts-noto-cjk

"No Tofu" font families with large Unicode coverage (CJK regular and bold)

Noto is a collection of font families, each visually harmonized across scripts.
su-to-root -c '/usr/sbin/lynis audit system --no-colors'

lynis

security auditing tool for Unix based systems

Lynis is an auditing tool for hardening GNU/Linux and Unix based systems. It scans the system configuration and creates an overview of system information and security issues usable by professional auditors. It can assist in automated audits.