Software Synthesizers, Free

One oscillator, monophonic, virtual analogue, subtractive synth. [VST]

Inspired by the Octave Kitten hardware synth from the early eighties. [VST]

Plug-in which loads Modelonia presets and allows the user to tweak them with few but powerful controls. [VST/AU]

2 oscillator, 2 LFO, software synth that features a subtractive analog oscillator and a phase distortion oscillator. [VST]

Hammond Clone Simulation. [VST]

Virtual analog synthesizer. [VST]

Audio sequencer and Software Drum Machine with softsynth and drumkits

Compact 3-part drum synthesizer featuring the same high resolution DSP audio engine found in DrumSpillage and a custom set of synthesis algorithms designed exclusively for original electronic percussion sounds. [AU]

Synthesizer especially made for spacey, deep or dark atmospheric backgrounds, soundscapes and FX sounds. [VST]

Generate Binaural Beats fom within an AU or VST host application.

Subtractive synth with a sharp bandpass filter; center frequency moves relative to the frequency of the playing notes. [Standalone/VST]

Monophonic bass synthesizer. [VSTi]

Sound synthesizer based on spectral audio engineering concept.

Auto accompaniment synth that lets you create and play chord progression

Virtual analog modular synthesizer with a stereo SF2 player and an additive synthesis WaveTracer to build high quality waveforms. [VST]