Fosfora

7.2easy start · #3 of 35
in Audio Visualizer Software

Free to practise onyes
Free trialnot on record
Well documentedyes
Runs where you workyes

Runs on Linux, Mac, Windows.

Fosfora is ranked #3 of 35 in audio visualizer software on The Geeks Club. It runs on Linux, macOS, Windows. There is a free plan.

Fosfora plans and pricing

All plans

Free, open-source Fosfora Free 56 effects · eight-layer stack · no account required github.com · 30 Sept 2026

Compared on audio visualizer software

Free plan: Yes
Waveform visuals: Yes
Spectrum visuals: Yes
Video export: Yes
Transparent export: Yes
Max resolution: 8k
Platform coverage: desktop

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The record

Purpose: Fosfora turns computer audio into live, beat-synced visuals for music visualization and live performance.
Effects: It includes 56 audio-reactive effects, including shaders, particle simulations and lattice effects.
Layering: Users can stack up to eight layers, reorder them and choose from 13 blend modes.
Audio analysis: Fosfora tracks 83 audio features 86 times per second, including beat, tempo, key, percussive and harmonic content, and drops.
Controls: Parameters can be controlled with MIDI, OSC or a phone or tablet browser used as a touch surface.
Video inputs: Layers can use images, GIFs, video files, a webcam, photos or depth maps.
Outputs and integrations: Video output includes NDI, Spout on Windows, Syphon on macOS, a Linux virtual camera and recording to file; the README names Resolume, VDMX, OBS and TouchDesigner as compatible software.
Customization: Effects are WGSL shaders that can be edited in the built-in editor while running.
Presets and scenes: Presets save the layer stack, and scenes chain presets into cue lists that can advance on a timer, on the beat or by pressing spacebar.
Security and account: The maker says there is no account to make, and settings are stored locally in the user's Fosfora configuration directory.
License: The project is dual-licensed under MIT or Apache 2.0, at the user's option.
Requirements: The app requires a Vulkan-capable GPU on Linux and Windows or Metal on macOS; video playback optionally needs ffmpeg on PATH.
Download platforms: The latest release provides a universal macOS DMG, a Linux x86_64 tar.gz and a Windows x64 ZIP.
Price from: Free

Where it ranks on The Geeks Club

Best Audio Visualizer Software in 2026#3 of 35

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Sources

github.com/kevinraymond/fosfora· checked 30 Sept 2026
github.com/kevinraymond/fosfora/releases/tag/v2.0.· checked 30 Sept 2026