A randomly shuffled gallery of software screenshots:

Nama

ZynAddSubFX

Adlib Tracker II

MIDIVisualizer

Pure data

Ecasound

BassoonTracker

Fire

jalv.select

Digital-Scratch

Musescore

Fasttracker II clone

B.Shapr

MusE

Screenshot of main MusE window.

Ctrlr

abNinjam

Misstortion

Tunefish (LV2)

DISTRHO Ildaeil

DGEdit

GxMatchEQ.lv2

midiomatic

MIDISysFilter generic UI in jalv

Open Lighting Architecture

DrumGizmo

CollisionDrive

Sherlock.lv2

XDarkTerror.lv2

Jack Control Panel

MIDI Editor

Zrythm

Zrythm DAW main window

SpectMorph

ScaleRemapper

SuperCutSequencer

JamTaba

midiomatic

MIDIPressureToCC generic UI in jalv

CHOW Centaur

LittleFly.lv2

Infamous Cellular Automaton Synth

Wolf Spectrum

Shuriken Beat Slicer

Orca

zam-plugins

zam-plugin screenshot

Omni

audiowmark

LNX Studio

Stargate

VL1 Emulator

Rumor

Mellite

midiomatic

MIDICCToPressure generic UI in jalv

Moony.lv2

JackMix

Ecasound

Frescobaldi

AGS

Traverso-DAW

Stargate

x42 Balance.lv2

GxDenoiser2.lv2

Tunefish

x42 Meter Collection

SMF-DSP

Aether

Synthpod

snibbetracker

BEAST

Adlib Tracker II

Sonant-X Live

Drops

Common Music

MilkyTracker

Fluajho

ALO

Studio Controls

Radium

Agordejo

midiomatic

MIDICCRecorder generic UI in jalv

shells_bells.lv2

B.Angr

Screenshot

Guitarix2

Guitarix rack

JackTrip

LMMS

Ofelia

B.Jumblr

gsjackctl

Propulse Tracker

GNU Solfege

Audacity

Rosegarden

VCV Rack

OpenAV Sorcer

DISTRHO Ildaeil

SooperLooper

MusE

Valhalla Tracker

Stargate

Helm

Klystrack

Qsynth

sfizz

Odin 2

Karya

GeekosDAW

Stargate

projectM

x42 Meter Collection

ProTracker 2 clone

MusE

Carla

Screenshot of Carla patchbay

Mx44

Agordejo

SampleHive

samplehive-light-theme

SAFE

Machina

PlugData

Ctrlr

ZPlugins

noise-repellent

Cabbage

projectM

ChucK

Processing

FatFrog.lv2

JackTrip

Common Music

Common Music

B.Choppr

MusE

Hydrogen

Drumstick Metronome

synthv1

Kiwi

SpinTool

SonoBus

Ubuntu Studio

OpenPiano

Csound

Dragonfly Reverb

Giada

ZPlugins

Neothesia

GridSound

CHOW Phaser

RAVE VST

patchmatrix

DiscoDOS

DiscoDOS view mix content

Adlib Tracker II

sfxr

MusE

Dexed MOD UI

Wolf Shaper

Ardour

DISTRHO Ildaeil

INScore

vm.lv2

Bespoke Synth

Mamba

Squeezer

Geonkick

x42 Step Sequencer

FluidSynth

B.Slizr

Yoshimi

TuxGuitar

PaulXStretch

DiscoDOS

DiscoDOS logo

amsynth

Tsunami

Fire

B.Schaffl

jack-select

OB-Xd

XPolyMonk.lv2

LilyPond

XPolyMonk.lv2

Adlib Tracker II

Open Lighting Architecture

Anklang

SoyBoy SP

OpenAV Fabla

PlugData

VITABS

Sherlock.lv2

Tembro

JACK RTP MIDI Bridge

Adlib Tracker II

Helio Workstation

Qtractor

Vico

Cabbage

jack_mixer

x42-eq

Kapitonov Plugins Pack

Surge

Fogpad port

midi_matrix.lv2

Screenshot of midimatrix.lv2

AlsaModularSynth

Aeolus

SVGuitar

Nama

Processing

Mixxx

Ensembles

KXStudio

Yabridge

x42-plugins

abGate

P5LIVE

noisicaä

AmigaPal

Bintracker

OpenMPT

JackTrip

Ingen

Adlib Tracker II

Mephisto.lv2

Jalmus

Midi Matrix.lv2

MusiKernel

Prototracker-OPLL

RaySession

RaySession frontend

mclk.lv2

Laborejo

Cadence

Drumstick Metronome

Triceratops

HexoSynth

HexoSynth v0.1.0-alpha-2

Jamulus

Faust

Oxe FM Synth

Common Music

AV Linux

DiscoDOS

DiscoDOS AcousticBrainz matching

ReceiveMIDI

PlugData

Gyroflow

Kickmess

QMidiArp

setBfree

Stegosaurus

Stargate

Agordejo

Gammou

Freewheeling

Processing

Regrader

samplv1

EmissionControl2

CHOW Tape Model

DISTRHO Ildaeil

orDrumbox

Ossia Score

fmedia

Drumstick MIDI Monitor

Glicol

Cardinal

Non DAW

Seq66

Ninjas2

Blue

New Session Manager

Rhythmr

Sherlock.lv2

MelMatchEQ.lv2

Patroneo

Piz MIDI

osci-render

BambooTracker

JACK RTP MIDI Bridge

Dexed

Tsunami

Common Music

Qtractor

SNES Tracker

YK Chorus

CHOW Matrix

Frinika

Jack Control Panel

Room Reverb

zam-plugins

line

RTcmix

Ctrlr

B.Oops

Common Music

Hively Tracker

Element

OwlPlug

Fluida.lv2

Catia

Kunquat

OpenAV ArtyFX

ZPlugins

XTinyTerror.lv2

Open Lighting Architecture

ChowKick

TimeMachine

drumkv1

Kdenlive

A screenshot of a video editing UI. On the upper part of the screen we have a list of media to select from, a preview of the original clip being editing and a preview of the ongoing video edition. on the lower part of the screen there's a timeline with video and audio clips cut and pasted.

JackTrip

Vital

Three Osc

Ecasound

SampleHive

samplehive-dark-theme

LibraZiK

Aether

Konfyt

QjackCtl

Notes.lv2

JackTrip

JJazzLab-X

Spectacle analyzer

EQ10Q

JDSP4Linux

DISTRHO-Ports

MetalTone

MusicBrainz Picard

Zytrax

WineASIO

PraxisLIVE

midiomatic

MIDICCMapX4 generic UI in jalv

midiomatic

MIDICCMapX4 generic UI in jalv

Schism Tracker

B.SEQuencer

PianoBooster