Check out our list of best free synthesizer plugins of this month.
Mi-03 Bassline v1 by Music Instinct
Acid-style monophonic synth
• Simple subtractive monophonic synthesizer with just enough creative control to craft your own unique sound.
• Powered by a high-quality, alias-free waveform engine, offering both the original’s renowned tones and additional shape options for extended sound design capabilities.
• Enhanced sequencer for creating recognizably acid patterns, alongside a user-friendly interface for effortless integration into any production setup.
• Built-in distortion engine with flexible routing, adding a layer of grit and character to your sounds.
Platforms: macOS and Windows (AU, VST3, Standalone)
FREE
Go To Product – https://www.musicinstinct.com/mi03-bassline
PadScape Lite by Electronik Sound Lab
A free virtual instrument for captivating pads and ambient textures
• 9 Multi-Sampled Pads Presets
• LFO modulation controls
• Lowpass/highpass filter cutoff
• ADSR envelope controls
• Built-in Chorus, Delay, Distortion & Reverb
• Samples meticulously edited one by one
• Easy to use
• Attention it is not compatible with Protools
Platforms: Windows and Mac (VST, AU, VST3)
FREE
Go to product – https://electroniksoundlab.com/padscape-lite/
Aurora DSP Liver 6
A Free VST Plugin Emulating the Line6 POD 2.0
• Nostalgic tones reminiscent of early amp sims
• Funny amp model names on the rotary dial
• Digital distortion sound for that 2000s MySpace metalcore vibe
• Cutting-edge neural network-powered VST plugin
• Meticulously simulates the iconic essence of the early Line6 Kidney 2.0
• AI-driven tone matching and social media integration
• “Random Emo Band Name Generator” for instant inspiration
Platforms: Windows and Mac
FREE
Go to product – https://auroradsp.com/liver6
CMP100 by Electronik Sound Lab
A virtual instrument plugin inspired by the Philips PMC 100
• 36 presets
• LFO modulation controls
• Lowpass/highpass filter cutoff
• ADSR envelope controls
• Built-in Chorus, Distortion & Reverb
• Samples meticulously edited one by one
• Easy to use
• 100% royalty-free
• Attention it is not compatible with Protools
Platforms: macOS and Windows (VST, AU, VST3)
FREE
Go To Product – https://electroniksoundlab.com/cmp100/
Solinoid by Solicito Musica
A virtual vintage Orchestral Synthesizer inspired by the legendary Eminent/Arp Solina hardware synth
• Mono output, requires doubling up and hard panning for stereo sound.
• Single monophonic oscillator and a string oscillator with polyphony.
• Nails the vintage sound of the Solina string machines.
• Famous ensemble effect for added depth and motion.
• LFO on the orchestra filter for stunning and evolving sounds.
Platforms: Windows (VST, VST3)
FREE
Go To Product – https://solcitomusica.blogspot.com/p/virtuales.html
Reso Piano by Samplesonics
A unique combination of a prepared piano and a granulator
• Combines a regular prepared piano and a granulator for sustained sounds
• Includes 2 RR groups and multiple velocity layers
• Aftertouch key noises that can be mixed via a slider
• Experimental and a work in progress
Platforms: macOS, Windows and Linux (AU, VST3)
FREE
Get It HERE – https://samplesonics.com/reso-piano/
ExtraBold by nakst
Subtractive Synth
• Three oscillators for creating rich and complex sounds.
• Four filter modes to shape the tone of your sound.
• Three effect unit slots with five effect categories to add depth and texture to your sound.
• Modulation capabilities with two envelopes and four LFOs for dynamic and evolving sounds.
• Focused and streamlined user interface with custom skinning support and adjustable scaling from 100% to 300%.
• Highly optimized performance, including native support for Apple Silicon “M1” processors.
• 64 built-in patches in the factory ROM for instant inspiration.
• No copy protection or DRM for hassle-free usage.
Platforms: macOS, Windows, and Linux (CLAP, AU)
FREE
Get It Here – https://nakst.gitlab.io/extrabold/
Majestic Celesta by SampleScience
Celesta Virtual Instrument plugin
• 1 multi-sampled celesta
• 4 effects: distortion, delay, chorus, and reverb
• Multi-LFO
• Glide
• Highpass/Lowpass filter
• Amplitude range controls
• 3 voice modes: poly, mono and legato
Platforms: macOS and Windows (VST, VST3, AU)
FREE
Get It HERE – https://samplescience.gumroad.com/l/majesticcelesta
Model D by YB Synth
The famous Minimoog Model D virtual emulation
• Try it directly in your Browser. Demo is free and no registration is required.
Platforms: Web Browser
FREE
Go To Product – https://ybsynth.com/demo/modeld
OsTIrus by The Usual Suspects
A FREE Virus Ti Emulator
• Emulates the Access Virus TI line of synthesizers
• Supports Virus Ti, Ti 2, and Snow models
• Six stereo outputs (three analog, three digital)
• Unlimited polyphony
• Sample rates up to 96kHz
• Features grain table and formant oscillators, wavetables unique to the hardware synthesizer, and hypersaw
• Flawless MIDI timing
• Patch browser for easy patch management
• Requires legally acquired Virus Ti firmware file
Platforms: Windows, Mac, and Linux (VST, VST3, AU, CLAP)
FREE (Open-Source)
Go To Product – https://dsp56300.wordpress.com/ostirus-downloads/
Behringer Vintage
A Free Analog Modeling Synth
• Two multi-wave oscillators (sine, saw, and square)
• Sub-oscillator and hard-sync function
• Noise generator with color parameter
• Pulse width modulation on square wave oscillator
• Two filters with 12/24 dB switchable highpass, lowpass, bandpass, and formant modes
• Selectable drive curves for harmonic saturation
• Serial or parallel filtering with modulatable filter routing
• Dozens of factory presets and ability to save your own presets
Platforms: Mac and Windows
FREE
Get Product HERE – https://plugins.musictribe.com/behringer/0723-AAD
Pro Soul by YB Synth
A virtual reproduction of the Arp Pro Soloist vintage synthesizer
• Faithfully reproduce solos from iconic 70s artists like Tony Banks, Josef Zawinul, Vangelis, and more.
• Play directly in your browser – no local installation required.
• Fully portable across devices.
• Suitable for educational purposes, sound experimentation, and live performances.
• Demo available with no registration needed. Experience it here: Pro Soul Demo
Platforms: Web-based (Accessible via browser)
FREE
Get It HERE – https://ybsynth.com/demo/prosoul
