JuceOPLVSTi – FM Synthesizer VST
Classic game sounds in modern plugin form. As heard in late 80s / early 90s sound cards. Powered by DOSBox emulation. Download free now.
retro
Midierror Chipshop Deluxe
The Deluxe Chipshop comes with 590MB of free samples, recorded, prepared and organised for instant deep-fried retro goodness.
P/NES 8 Bit Monster
The P/Nes 8-Bit Monster is a synthesizer inspired by the 2A03 chip used in the Nes sound architecture. It can produce 8-bit sounds like the original Nes.
Leslie Sandford Cobalt
Cobalt is a free VST synthesizer plugin inspired by many of the hybrid synths of the 80s. 32bit and 64 bit compatible.