Best Free 64 bit VST/AU Synths

A curated selection of the best free 64 bit emulations of analog synths in VST or Audio Unit format for Mac OS X or PC Windows. These VSTi can be used in Ableton Live, Logic Pro, Steinberg Cubase, FL Studio, Bitwig and all other daw and hosts that support VST plugins and AU .

Click the plugin name or image of synth and visit the synthesizer page with the link for the free download.

Diodow by HrastProgrammer

Unconventional digital modeling synthesizer released by HrastProgrammer. It comes with no presets but it has its own kind of sounds/textures.

Tunefish 4 by Brain Control

Additive / wavetable synth with noise generator, LP, HP and BP filters, 2 LFOs and flanger, chorus, reverb, delay, eq and formant effects. This great device is released by Brain Control.

Kairatune by Futucraft

Versatile multi-oscillator crisp and electric sound generator, well suited for electronic music.

OBXD by 2DaT

OBXD is a very good Oberheim VST emulation plugin, released by 2DaT.

Regen by ToneCarver

Regen is a 4 tracks looper, developed by ToneCarver, that also allows to manipulate playback of recorded material. It accepts stereo input and provides up to 4 stereo outputs. Very interesting if you are into ambient / textural / soundscape kind of sounds.

Ragnarok by Full Bucket Music

1980 VA analog developed by Full Bucket Music, with 64 voice polyphone, up to 4 osc per voice, white noise generator, mult-pole filter, LFO, pseudo-arpeggiator functionality and built-in overdrive + 7 band eq.

Sinnah by NUSofting

Single antialiased osc VA synth with 5 waveshapes with a delay matrix, a subtractive stereo filter. It includes a simple but useful reverb.

VST Speek by Wavosaur

Text to speech synthesizer that emits a robotic voice that reads, with a voice emulating the SAM software for vintage commodore 64 computer, the text you type in the text field. VST Speek is released by Wavosaur .

Oxe FM Synth by Oxe Software

Multitimbral FM synth with 8 operators, 1 LFO for each channel, half-matrix modulation, reverb and delay effects. Oxe FM is a cpu-friendly instrument by Oxe Software.

Fretless Zither by Versilian Studios

Antique autoharp strings instrument developed by Versilian Studios, which strings can be strummed for chord generation or played for creating melodies