OSS
StemDeck gives producers local six-stem separation with no account, at 2,823 stars and a release every day or two
stemdeckapp/stemdeck hit HN at 117 points on 2026-08-29T01:24; it is 2,823 stars, 251 forks, Apache-2.0, created 2026-05-03, and tagged v0.15.0, v0.15.1 and v0.15.2 across 2026-08-25 and 08-26. It wraps the open Demucs htdemucs_6s model to split vocals, drums, bass, guitar, piano and other, auto-selecting CUDA, MPS or CPU, then opens a browser multitrack mixer for solo, loop and per-stem export. Built by one developer, Thales Claro, so his kid could practice drums without a Moises or LALAL.AI subscription — a clean example of a local-first replacement for a paid cloud AI service.
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