Software Synthesizers, Freeware

Polyphonic virtual analogue synthesizer. [VST]

Modular synthesizer. It is flexible in terms of synthesis techniques - you can achieve additive, subtractive, FM/PM/AM and even hard-sync synthesis all pretty easily. [VST/AU]

Software-synthesizer and sample player with integrated effects. [VST]

6-operator FM synth with 32 DX7 algorithms and 16 4-operator algorithms. [VST]

Algorithmic pattern-based music system VSTi.

Synthesizer that has a interface which allow you to edit parameters quick and intuitive even if equipped only with a mouse. [VST/RTAS/AU]

Can create unique sounds from clear & harsh metallic sequenced sounds to soft & wide modulated Pads. [VST]

A graphical music creation tool that lets you draw your music.

Synthesizer with a dual-VCO, LFO and a VCF with a 12/18/24 dB low-pass filter. [VST]

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

Virtual analog synthesizer. [VST]

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]

Subtractive synthesizer that was built for Trance music. [VST]

Monophonic bass synthesizer. [VSTi]