Recommended Apps

Audio/Video:

Advanced Radio Player
Audacity
Darktable
GPU-Screen-Recorder (& GPU-ScreenRecorder-GTK)
Handbrake
Inkscape
OBS
Serviio
SimpleScreenRecorder
Spotify
VLC

Cloud Storage:

DropBox
Insync
MegaSync
SpiderOak

Communications:

Discord
KVIrc
Microsoft Teams (If you must)
Mumble
Skype
TeamSpeak
Thunderbird (+ BirdTray)

Gaming:

Lutris
Steam
Wine
XIVLauncher

Graphics:

Aseprite
The Gimp
TexturePacker
Tiled
yEd Graph Editor

Networking:

OpenSnitch-UI (+ OpenSnitch)

Productivity:

KeePass2
LibreOffice

Remote Desktop Control:

Remina
X2Go

Security:

KeepassXC

Software Development:

8BitWorkshop
FNA
Geany
KDevelop
MonoDevelop
QtCreator
Visual Studio Code

Virtualization:

Virtual Machine Manager (KVM/QEmu)
VirtualBox