Le Biniou is a music visualisation and VJing application that generates animated graphics in response to sound. It can use music, speech, ambient noise and other audio sources to create constantly changing visual effects.
The application is built around a collection of graphical plugins that can be combined into sequences. These include sound-reactive animations, image manipulation, colour transformations and video effects. Users can control the composition manually or allow Le Biniou to generate and modify sequences automatically.
Le Biniou is designed for live performances, visual experimentation and recreational music listening. Its output can be displayed fullscreen, recorded as video or streamed to other applications and services.
The software also supports external images, video clips and cameras, enabling users to incorporate their own material into visual performances.
This is free and open source software.
Key Features
- More than 100 graphical plugins, including over 40 effects that react to audio.
- Combine multiple plugins into sequences with configurable execution order and parameters.
- Automatic modes generate and modify visual sequences, colour maps and background images.
- Supports layer composition using overlay, XOR, averaging and other pixel operations.
- Provides visual effects including distortion, blur, kaleidoscopes, image manipulation and video feedback.
- Save and restore complete sequences containing plugins, colour maps and image selections.
- Supports audio acquisition through JACK, PipeWire, ALSA, PulseAudio, OSS and sndio.
- Includes beat detection using FFT-based audio analysis.
- Accepts images supported by ImageMagick, video through FFmpeg and live camera input.
- Provides fullscreen output, a preview window and an on-screen display for controlling visual sequences.
- Record animations as MP4 videos and capture individual frames as PNG images.
- Stream video using RTMP or HLS, or send output to a V4L2 loopback device.
- Offers REST API and WebSocket interfaces for remote control and automation.
- Cross-platform support – runs on Linux and macOS.
Website: gitlab.com/lebiniou/lebiniou
Support:
Developer: Olivier Girondel
License: GNU General Public License v2.0

Le Biniou is written in C. Learn C with our recommended free books and free tutorials.
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Read our verdict in the software roundup.
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