Licenses

Updated 20 October 2026

Vocalizer is free and open source under the MIT license. It stands on the work of the people below. The full license texts ship inside the app (right-click the menu bar icon › Licenses…) and are in THIRD-PARTY-NOTICES.txt.

In the app

Audio device (keeps video in sync): based on BlackHole by Existential Audio, under the GNU GPL v3.0. The complete source of our modified version is in the Driver folder, for every release.
Fast and Clean modes: the UVR MDX-Net vocals model by the Ultimate Vocal Remover team (MIT), on the MDX-Net architecture by KUIELab (MIT).
Best mode: MelBand RoFormer vocals by Kimberley Jensen (MIT), on the RoFormer architecture by Phil Wang (MIT).
Calls mode: DeepFilterNet by Hendrik Schröter (MIT or Apache-2.0).
Updates: Sparkle (MIT).

On this website

The Bricolage Grotesque typeface by the Bricolage Grotesque Project Authors, under the SIL Open Font License 1.1.

Trademarks

Apple, Mac, macOS and Apple Music are trademarks of Apple Inc., registered in the U.S. and other countries. YouTube is a trademark of Google LLC and Spotify is a trademark of Spotify AB. Vocalizer is an independent project and is not affiliated with or endorsed by any of them.