I once made some synthesizers and effect VST’s using Synth Maker. Here you can download them absolutely free of charge, but I warn you they might not work, and may be buggy.
DEVI EVER : FX TECH SPECS
All devi ever : fx are True Bypass and require a 9 volt 2.1mm negative tip power adapter. We recommend the Godlyke Power-All for all your pedal power needs.