Doctor Synth’s Favorite Free Instruments:
Virtual Instruments I run on all my DAWs
Please donate to the creators if you use their downloads.

2Gether Audio – Cheese Machine 2 – Solina string machine emulation
https://www.2getheraudio.com/instruments/cheeze-machine-2/
2Gether Audio – Ticky Clav 2 – Hohner Clavinet emulation
https://www.2getheraudio.com/instruments/ticky_clav_2/
Brain Control – Tunefish v4 – lightweight virtual analog synth
https://tunefish-synth.com/
Combo Model F – Farfisa Transistor Organ emulation
http://www.vst4free.com/free_vst.php?plugin=Combo_Model_F&id=1365
Cwitec TX16Wx CWITEC –  TX16Wx Software Sampler based on the Yamaha TX16W
https://www.tx16wx.com/
Dexed – Yamaha DX7 emulation
https://asb2m10.github.io/dexed/
Full Bucket – 20 synthesizers including emulations of vintage Korg instruments
https://www.fullbucket.de/music/vst.html
Futucraft – Kairatune
http://futucraft.com/kairatune/
Green Oak – Crystal – semi-modular softsynth with subtractive & FM Synthesis as well as granular synthesis and wavesequencing.
Can also import SoundFonts and morph programs.
http://www.greenoak.com/crystal/dnld2.html
Ichiro Toda – Synth 1 – Nord Lead 2 Emulation
(emulating a virtual analog synth – is this Inception synthesis?)

https://daichilab.sakura.ne.jp/softsynth/index.html
IK Multimedia – SampleTank 4 Custom Shop – Vintage Synth collection
https://www.ikmultimedia.com/products/index.php?R=INIT&FV=free-software-related-products&CV=Other%20Filter&PSEL=freesoftware
Additional instruments are available for a fee.
IK Multimedia – Syntronik Free – Vintage Synth collection
https://www.ikmultimedia.com/demodownload/?a=syntronik-free
Additional instruments are available for a fee.
Linplug – Free Alpha – wonderful synthesizer for dance sounds, very Novation-like
http://www.vst4free.com/free_vst.php?id=2290
This appears to have been discontinued
Martin Lüder – PG8X – Roland JX-8P emulation
https://sites.google.com/site/mlvst0/
Helm Matthew Tytel – Helm
https://tytel.org/helm/
PureMagnetik – Expanse – Texture Generator
https://puremagnetik.com/products/expanse
Sample Science Room Piano Sample Science – Room Piano
https://www.samplescience.info/2020/12/room-piano.html
They have a large collection of “pay what you want” instruments for $1+
Spitfire Audio – Labs – several sample-based instruments
https://www.spitfireaudio.com/labs/
SQ8L – Ensoniq ESQ-1 emulation for Windows 32-bit only.
Development was abandoned several years ago but it’s still pretty cool.

http://www.buchty.net/ensoniq/index.html#sq8l
Steinberg – Model-E – Moog Minimoog emulation, not very realistic by modern comparisons
https://o.steinberg.net/en/support/unsupported_products/vst_classics_vol_1_2.html
Steinberg – Neon – basic analog synth – terrible by modern standards but this is the very first VST.
https://o.steinberg.net/en/support/unsupported_products/vst_classics_vol_1_2.html
Surge Surge Synth Team – Surge – Winner of KVR’s Best Free Synth award in 2020.
https://surge-synthesizer.github.io/
Synergia Synergia – DKI Synergy emulation
https://jariseon.github.io/synergia/
TAL – Bassline – Roland SH101 emulation
https://tal-software.com/products/tal-bassline
TAL – Noisemaker – Roland Juno 6 emulation
https://tal-software.com/products/tal-noisemaker
U-He – Podolski – cpu-efficient virtual analog synthesizer
https://u-he.com/products/podolski/
U-He – Triple Cheese – comb filter synthesizer
https://u-he.com/products/triplecheese/
U-He – Tyrell N6 – a fun virtual synthesizer
https://www.amazona.de/freeware-synthesizer-tyrell-n6-plugin-vst-au-win-mac/
U-He – Zebralette – lightweight version of the powerful Zebra 2 instrument
https://u-he.com/products/zebralette/
VCV Rack 2.06 VCV Rack 2 – modular synthesizer with free and paid modules
https://vcvrack.com/
Big Bang Orchestra Vienna Symphonic Library – Big Bang Orchestra
https://www.vsl.co.at/en/BBO
Vital Audio – Vital spectral wavetable synth
https://vital.audio/