KV331 Audio are offering their entry level synth, SynthMaster Player, free of charge for a limited period. Usually $29, you can grab it for nothing until 1st November 2019.
SynthMaster Player is a simplied version of SynthMaster with limited editing capabilities. It is targeted towards users who prefer to use presets rather than designing their own sounds. It comes with 1800 factory presets. Users can edit the 12 easy parameters or the bypass states of layer/global effects assigned for each preset by the sound designer.