IndiePluginsInstruments, effects, and hidden gems
Browse 587 reviewed free synths plugins for Windows, with compatibility, formats, interface previews, and installation details.
Filtered catalog
Every reviewed plugin matching the current filters.
Insoniq EZQ-1 is a free Windows VST2 plugin by KBplugs that emulates the Ensoniq SQ-80 and ESQ-1 synthesizers. It features a circuit-inspired design without aiming for precise hardware accuracy and includes no presets, reflecting the original synth's style.
Fury-800 is a free VST2 synthesizer plugin that emulates the classic KORG Poly-800 from 1983 featuring two band-limited DCOs and individual envelope generators.
FB-7999 is a software synthesizer that emulates the KORG DW-6000 and DW-8000 from the 1980s with low CPU usage and native C++ performance.
FB-3300 is a high-performance freeware VST2 synthesizer plugin that emulates the KORG PS-3300 polyphonic synthesizer from 1977 with three independent polyphonic blocks and band-limited oscillators.
FB-3200 is a polyphonic synthesizer plugin that emulates the 1978 KORG PS-3200 with band-limited oscillators, classic lowpass filters, and an equalizer.
FB-3100 is a free VST synthesizer plugin that emulates the classic KORG PS-3100 polyphonic synth from 1977, offering authentic controls, band-limited oscillators, and two-pole lowpass filters with efficient CPU usage.
eXpando is a Windows-exclusive VST2 plugin that emulates the Oberheim Xpander synthesizer circuits without aiming for exact hardware accuracy. It offers a pure synthesis experience with no presets.
easy-crumar is a free VST2 synthesizer plugin for Windows that emulates the Crumar Multiman S with six sound slots, each featuring filter, octave, and volume controls. It uses original samples inspired by Kujashi.
CyRinx by KBplugs is a Windows-only VST2 synthesizer plugin inspired by the Synton Syrinx. It offers a unique emulation without presets, reflecting the original's character.
Cynthia is a monophonic vintage-style synthesizer VST plugin for Windows, offering classic control voltage and sound source features with full MIDI control.
CS-358 by KBplugs is a free VST2 synthesizer plugin for Windows inspired by the Yamaha CS-series. It features a raw design without presets, reflecting the original hardware approach.
Chorg PS-20 by KBplugs is a free VST2 synthesizer plugin for Windows that emulates the Korg MS-20 with its unique circuits, offering a classic analog synth experience without presets.
Chorg 870 is a free synthesizer plugin by KBplugs, emulating the Korg 800DV with an inspired, not exact, hardware sound. It features no presets, reflecting the real unit's design.
Chorg 770 DV is a Windows-only VST2 synthesizer emulating the Korg 770 with a circuit-inspired design. It offers no presets, delivering a raw, authentic experience.
Cassini by KBplugs is a free Moog Voyager-inspired synthesizer emulation for Win32 VST2 x86. It offers raw analog-style synthesis with no presets, capturing the spirit of the hardware.
Whooo by Krakli is a free experimental theremin-like VST2 plugin for Windows 32-bit. It features pitch control via keyboard and allows storing up to 16 user presets for creative sound exploration.
VST Speek is a free speech software synthesizer that emulates the iconic Software Automatic Mouth from the Commodore 64, delivering classic robotic voice effects.
Vocov2 by g200kg is a free VST2 vocoder plugin for Windows with an internal 2 oscillator synth carrier and support for external carrier signals.
1696 plugins are ready to install in one click.