Surge is a (now) free synth. Comes with 1010 patches & 183 wavetables. Download install .exe here. Manufactor site (With Manual) here.
Cool Reaktor wavetable synth by Michael O’hagan. With this one he became one of the winners of the recent builders competion by Native Instruments. Includes 5000 waveforms and multiple modulation options. Download from the Reaktor User Library.
Deducktion is a FREE 32 note-polyphonic synthesizer based upon a classic subtractive design by Dead Duck Software.
Free VST Synth. Nice for some Synthwave.