Diodow by HrastProgrammer
Unconventional digital modeling synthesizer released by HrastProgrammer. It comes with no presets but it has its own kind of sounds/textures.
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.
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.
Korg Mono emulation: Mono/Fury by Full Bucket Music
Free Korg Mono emulation released by Full Bucket Music, with 4 band-limite oscs, 5-pole LP filter, cross modulatio, hard sync, host-synced arpeggiator.
Kairatune by Futucraft
Versatile multi-oscillator crisp and electric sound generator, well suited for electronic music.
Vocal Synthesizer: Alter Ego by Plogue
Vocal synthesizer – virtual instrument released by Plogue. Just type in your lyrics, and then play on the MIDI keyboard.
Synth for Creating SFX for Video Games: DvnSfxMaker by Davi Santos
3 oscillator VST and AU synthesizer well suited for creating sound effects for games, developed by Davi Santos. SFX synth features LP and HP filters, pitch jump and a bitcrusher.
OBXD by 2DaT
OBXD is a very good Oberheim VST emulation plugin, released by 2DaT.
DX7 Emulation: Dexed by Digital Suburban
Multi-platform DX7 FM style synth released by Digital Suburban, that can load any DX7/TX7 syses program. It comes with 1024 programs included.
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.
Harsh Digital Nose by Insert Piz Here
This VST converts images to audio thanks to 2 image-based oscillators. It is released by Insert Piz Here, and available for Windows and Mac OS X.
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