Occasionally, Plugin Boutique offers a "Free Vocal Preset Pack" for Studio One when you download a free plugin like iZotope Neutrino or Klevgrand DAW Cassette. The presets are high-quality because they’re designed to sell you the paid plugin later.
Best for: Trap, Drill, Dark R&B. Link: Free from "Obedia" – https://obedia.com/free-studio-one-presets-trap/ studio one vocal presets free link
This chain includes:
This is built directly into Studio One. It is the most reliable source for free presets made by other users and official sound designers. Occasionally, Plugin Boutique offers a "Free Vocal Preset
Unlike VSTs, presets are easy to install manually if they don't come with an installer. Best for: Trap, Drill, Dark R&B
Omega Studios offers a collection of free presets specifically designed for mixing vocals, often utilizing stock plugins so you don't need 3rd party software.