Finding good free synths always feels like scraping the bottom of a barrel. There are all sorts of good ones, but there is also a lot of crap. Here is a list of VSTI’s I have used and loved. These are all for Windows Only.
Rez a Rad Monosynth
Rez is a seemingly basic synth, but it’s capable of a very wide range of sounds. While Rez has a bunch of cool features, the beating heart of Rez is its filter. It’s made from multiple chained filters acting as a single powerful filter and it’s highly resonant, providing Rez with its distinctive character. Top that off with distortion, a phaser, various oscillator modulations, delay, and arping.
From funky squishes, beastly basses, and screaming leads, to tight arpeggiations, swirling rhythms, atmospheres, bells, and interesting effects. You can download it at: http://www.ugoaudio.com/plug-ins/rez
It’s a 2 oscillator analog style synth, specially geared to the creation of spatial FXs, ambient textures and experimental music. Here is a video with some exmples of the sounds.
You can download the synth at http://www.uv.es/ruizcan/p_vst.htm as well as some of there other cool VSTi’s.
I mainly like there bells and find this a good way to add effects. Been supper stable as well.
Alieno: the battle of sound begins
Alieno is a rad little synth. Cool looking GUI and good presets. Suitable for lead lines, sequences and special FX synthesis. SCI-FI look and feel with 12 skins and 144 original sounds extended library included.
Download free at: http://www.blank-media.it/acrobatics/
These are all great VSTi’s that have been stable and great sounds for me in the past. Enjoy them!