15 Best FREE String Machine VST Plugins

These are the best free String Machine VST plugins you can use with your favorite music software. I’ve included String Machine plugins for Windows and Mac.

In this selection of free string machine plugins, you’ll find feature lists, screenshots, and videos.

I have experimented with hundreds of free VST plugins, and these are the best free string machine VST plugins available online.

Best String Machine VST Plugins

I have included string machine plugins that work for Windows and Mac.

  1. Labs Synth Strings
  2. Nabla
  3. Cheeze Machine 2
  4. Deputy Mark II
  5. Horus
  6. Orpheus
  7. Horus mkII
  8. Performer Free
  9. easy-mr. stringer
  10. Surya
  11. Esline
  12. Strings Q3
  13. Orpheus II
  14. D-String
  15. Tapeotronic
Best FREE String Machine VST Plugins
Best FREE String Machine VST Plugins

Instructions: Click the links below to visit each String Machine VST plugin. Look around each website for the download link or button. Do not install suspicious apps.

1. Labs Synth Strings

Labs Synth Strings
Labs Synth Strings

LABS Synth Strings VST Plugin is a free string synthesizer created by the well-known Solina String Ensemble of the 70s, used on numerous popular disco and rock records.

It offers a range of textures – from soft and fuzzy to sharp and vibrant – all beautifully captured by Harry Wilson & Hannah Roberts-Owen in Spitfire HQ.

A range of sample modulation and processed pads are available, making the plugin suitable for anything from classic Herbie Hancock funk tracks to modern Blade Runner sci-fi soundscapes. This is one of my favorites on the list.

  • Simple Interface
  • Good Sound Quality
  • Additional Filters

Website | PC / Audio Unit

Labs Synth Strings Preview

Best String Machine VST Plugins

2. Nabla String Machine VST Plugin

Nabla String
Nabla String Machine Plugin

The Nabla plugin emulates the renowned KORG Delta DL-50 Strings Synthesizer of 1979.

Nabla features four band-limited frequency divider-driven signal generators, an additional noise generator, a 4-pole zero-delay feedback bandpass/lowpass filter, and more.

Nabla | PC & Mac Os

Nabla Preview


3. Cheeze Machine 2

Cheeze Machine 2 | Extra Saucy String Box
Cheeze Machine 2

Cheeze Machine 2 is an incredibly popular virtual instrument developed by Big Tick Audio and remastered by 2getheraudio.

Known for its vintage sound, it provides over 60 patches of synth string ensembles, pads, leads, brass, basses, effects, and more.

Users can also access expanded oscillator controls, convolution reverb effects, and chorus controls.

Cheeze Machine 2 offers 64-bit compatibility across VST, AU, AAX, and Standalone applications.

Features

  • 60 patches
  • Sounds: Synth string ensembles, pads, leads, brass, basses, effects, and more.
  • Oscillators
  • Convolution Reverb

Cheeze Machine 2 | PC & Mac


4. Deputy Mark II

Deputy Mark II
Deputy Mark II

The Deputy Mark II plugin is a powerful software instrument created for Microsoft Windows and Apple macOS that embodies the classic string instrument and early polyphonic synthesizer sound.

It offers a range of features like a polyphonic and monophonic synthesis, an ensemble effect, a phaser effect, flexible keyboard assignment, and more.

The poly section provides up to 61 voice polyphony and two band-limited frequency divider-driven oscillator banks with sawtooth/PWM waveforms, a 2-pole multi-mode filter per voice, and a global ADSR envelope for its modulations.

To top it all off, the Deputy plugin has a resonator bank with three zero-delay feedback filters.

Features

  • Polyphonic and monophonic synthesis
  • Ensemble and phaser effects
  • 61 voice polyphony
  • Two oscillator banks
  • Resizable interface

Pros

  • Classic string instrument sound
  • Flexible keyboard assignment
  • Supports Windows and macOS
  • Control parameters with MIDI

Cons

  • It may be complex for beginners
  • Requires understanding of the synthesis
  • Specific to string and poly sounds

Deputy Mark II | PC & Mac


5. Horus Strings Synthesizer

Horus | Vintage Ensemble Chorus
Horus

The Horus VST plugin is a powerful and versatile audio tool, allowing users to create creative and unique sounds.

Combining strings with polysynth capabilities, Horus lets producers generate impressive pads with up to 64 voices of polyphony.

There are four available oscillators with numerous effects: chorus, auto-wah, static formant filter, LP filter, LFO (sine), phaser, and stereo delay.

All these parameters can be tweaked with full MIDI learn features to control for easy customization.

Features

  • 64 Voices
  • 4 Oscillators
  • Phaser
  • Chorus
  • Stereo Delay
  • 1 LFO

Horus | PC


6. Orpheus

Orpheus | Virtual String Machine
Orpheus | Virtual String Machine

Orpheus by B Serrano gives you the sound of strings and organs in one handy instrument.

It features two generators with three string types and an organ, as well as 128 voices of polyphony and unison mode.

There are also drift and mono features with portamento plus vibrato for added texture.

Orpheus includes three-band resonators with LFO control and randomize buttons, low/high EQ, chorus, delay, auto-pan, and tremolo – all of which come together to create authentic organ and string sounds.

Features

  • 128 Voices Polyphonic
  • 2 Generators
  • 3 String Types + Organ
  • Mono Mode
  • Vibrato
  • 3 Bands Resonators
  • LFO
  • Randomize Button
  • Low & High EQ
  • Chorus
  • Delay
  • Auto-Pan
  • Tremolo
  • Patch Management

Orpheus | PC


7. Horus mkII

Horus mkII
Horus mkII | GForce Software

The Horus mkII plugin is a remade version of the original Horus string machine, with added features such as waveform choice for Strings and LFO, a Phaser’s speed coefficient, Mono mode with portamento, Vibrato by Mod-wheel, Breath or pedal, and patch management.

Its basic technical specifications include 64 polyphonic voices, four oscillators ranging from 4′ to 32′, chorus effects including an Auto Wah, a Static Formant Filter LP filter, and one LFO with a phaser command and a stereo delay effect.

It also has full MIDI learn capability so that users can fully customize their experience.

  • 64 Voices Polyphonic
  • Mono Mode
  • Vibrato Mod-Wheel
  • 4 Oscillators
  • Chorus Effects
  • Static Formant Filter
  • LP Filters
  • Patch Management
  • 1 LFO
  • Phaser Effects
  • Stereo Delay
  • MIDI Learn

Horus mkII | Windows


8. Performer Free

Performer Free
Performer Free

Performer Free is a digital plugin replicating the classic vintage instrument, the Crumar Performer.

It harnesses the power of physical modeling simulation technology to reproduce its sound accurately.

Available in VST2, VST3, and StandAlone format. This stripped-down version of the original plugin still offers top-notch performance while adapting to lower-resolution displays.

Performer Free | Linux


9. easy-mr. stringer

easy-mr. stringer
easy-mr. stringer | String Machines

The Easy-Mr. Stringer plugin is a unique string synthesizer developed by easytoolz, boasting twelve voices and sixteen presets for ease of use.

It uses two oscillators with seventeen various string waves, five octave-tuning and level controls, two filters, one LFO with ADSR velocity modulation, Glide, Phaser, and Double Delay with Pan LFOs.

Using a Mono/Poly mode, you can shape the sound to their preference and make captivating melodies.

  • 16 Presets
  • 12 Voices
  • 2 Oscillators
  • Octave Tuning
  • 2 Filters
  • 1 LFO
  • OSC Tuning
  • Phaser
  • Double-delay
  • ADSR
  • VCA
  • Mono/Poly Mode
  • Glide

easy-mr. stringer | PC


10. Surya

Surya String Synthesizer
Surya String Synthesizer

Surya is a free string synthesizer created by Samsara Cycle Audio.

It uses subtractive synthesis and two-step oscillators to produce warm, textured, and beautiful string sounds.

This plugin allows various effects like a 12dB filter, vibrato, Chorus, and Reverb to be layered over the strings.

The user interface is intuitive and user-friendly, offering all the essential functions on one page with clear labeling to make navigating simple.

Surya | PC


11. Esline

Esline
Esline String Synthesizer

The Esline VST plugin is a digital emulation of the vintage Arp Solina String Ensemble.

It recreates the 6-voice polyphonic sound made popular during the late 70s and 80s, featuring strings, trumpets, horns, and more.

Along with 16 patches custom designed by Elektrostudio, Esline also features the Cello, Violin, Trumpet, Bass Viola, and Horn selectors for turning on monophonic bass triggered by your lowest key presses.

You can utilize MIDI learn features and audio effects such as phaser, echo, chorus, and more for extra flavor.

  • 16 Patches
  • Patches: Cello, Viola, Violin, Trumpet, Bass, Horn
  • MIDI Learn
  • Automation
  • Phaser
  • Echo
  • Chorus

Esline | PC


12. Strings Q3

Strings Q3 | Virtual String Machines
Strings Q3 | Virtual String Machines

STRINGS Q3 is an exciting strings synth plugin that offers users a wealth of features to craft a unique sound experience.

The plugin comes with three sounds: Pads, Strings, and Orchestra.

Combined with Attack and Release controls, three-band EQ, rotary, spatial, chorus, reverb, and full stereo.

  • 3 Sound Patches
  • Attack & Release Controls
  • 3-Band EQ
  • Chorus
  • Reverb Controls
  • Full Stereo
  • Velocity Control

STRINGS Q3 | PC


13. Orpheus II

Orpheus II
Orpheus II | String Synths

The Orpheus II Plugin is an impressive analog synthesizer that allows users to produce unique sounds.

With two ensembles and an impressive 128-voice polyphonic capability, users also have access to unique features such as unison and drift control, vibrato, formants, three-band resonators, chorus, and delay.

There’s also a phaser, reverb, auto-pan, tremolo, and mod matrix to equip producers with everything they need to make their musical visions come alive.

The embedded patch management system makes saving the best sounds a breeze, while automatic bend and mono mode with portamento gives it versatility beyond measure.

  • 128 Voice Polyphonic
  • 3-Band Resonators
  • 2 Ensembles
  • Unison
  • Auto Bend
  • Mono Mode
  • Vibrato
  • Chorus
  • Delay
  • Phaser
  • Reverb
  • Tremolo
  • Mod Matrix
  • Patch Management

Orpheus II | PC


14. D-String String Machines

D-String
D-String

D-String is a free plugin from EFM that brings richness and complexity to various string machine instrumentation.

One noteworthy feature is adding a slightly higher resonance value on the filter, which further adds depth and clarity to the sound generated.

D-String | Windows


15. Tapeotronic String Synths

Tapeotronic String Machines | Original Vintage String Machines
Tapeotronic String Machines

Tapeotronic is a creative plugin from Elektrostudio featuring the emulation of a tape keyboard.

It enables users to create lush string and choir sounds, as well as flute tones, easily.

With its 16 patches, users can play around with the knobs and apply bias tape sound effects for more variety.

Even more impressively, Tapeotronic also includes MIDI learn / automation for greater control over your track and a truly unique sound.

Tapeotronic | PC


What Is A String Machine VST Plugin?

A String Machine VST Plugin is a virtual instrument that produces synthesized string sounds to emulate string instruments such as violins, cellos, and more. These plugins replicate the classic vintage sound, usually created with analog synthesizers.

String machine plugins allow you to adjust parameters such as an attack, decay, release, and filter cutoff to customize the sound further.


I hope you found this list of free string machine VST plugins helpful.

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Mark V.

Written By Mark V.

Mark Valenzuela is a professional blogger, entrepreneur, and educator with more than 15 years of experience in music production. In 2008, Mark founded Hip Hop Makers, a top resource for aspiring music producers and beatmakers. He specializes in content on music production, software, gear, and free music resources. Committed to empowering creators of all levels, Mark continues to inspire and help music creators pursue their dreams.

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