Sound of the Future

Your room, your headphones, your sound — scientifically optimized.
Free. Open source.

GPL-3.0 macOS Windows Linux

Features

Everything you need to take control of your sound.

Music Player

FLAC, MP3, AAC, ALAC, Vorbis — full-featured library and playback.

30+ Audio Plugins

EQ, compressor, limiter, upmixer, binaural, XTC, convolution, denoiser...

Room EQ

Measure, optimize, apply live. Stereo to 9.1.6 Atmos.

Headphone EQ

Harman target optimization with live preview.

Spinorama EQ

1000s of speakers from spinorama.org — no mic needed.

Plugin Rack

Visual rack + DAG editor. A/B compare built in.

System-Wide (macOS)

HAL driver routes all system audio through your plugin chain.

Export Everywhere

APO, RME, macOS Audio Units, JSON.

Screenshots

See SotF in action.

SotF music player and library view
Full-featured music player with library management
SotF upmixer plugin rack
Upmixer plugin in the visual rack editor

Built on science,
not guesswork

SotF uses peer-reviewed psychoacoustic research and measurement data to optimize your audio. Every EQ curve, every target function, every optimization algorithm is grounded in real science — not marketing claims or subjective tweaks.

  • 100% open source (GPL-3.0)
  • Built in Rust — fast and reliable
  • Science-based optimization
  • Integrates spinorama.org speaker database
  • Works with pro hardware (RME, Focusrite, USB)
  • No subscription, no telemetry, no account