Snowmix

Spec sheet

Purpose

Snowmix is a command-line tool for dynamically mixing live audio and video feeds.Read 7 Oct 2026 · snowmix.sourceforge.io

Free plan

YesRead 20 Sep 2026 · snowmix.sourceforge.io

Support

A free support forum is available for Snowmix questions, while paid consultancy is offered for Snowmix, streaming, audio and video coding, and network architecture.Read 7 Oct 2026 · snowmix.sourceforge.io

3D graphics

Snowmix supports 3D graphics through OpenGL, using CPU-based off-screen or hardware-accelerated GPU rendering.Read 7 Oct 2026 · snowmix.sourceforge.io

Chroma key

Chroma keying for green or blue screens is supported from version 0.5.2.Read 7 Oct 2026 · snowmix.sourceforge.io

Distribution

Snowmix is distributed free as open-source software, and the maintainer does not provide binaries; users can download the source and compile it.Read 7 Oct 2026 · snowmix.sourceforge.io

GStreamer

Snowmix uses GStreamer scripts for audio and video input and output, and its shared-memory model is compatible with GStreamer shmsink and shmsrc.Read 7 Oct 2026 · snowmix.sourceforge.io

Intended user

Snowmix is a specialized tool for people building their own video mixer system and is not intended as an easy point-and-click application.Read 7 Oct 2026 · snowmix.sourceforge.io

Remote operation

Snowmix is designed to run without a display and be controlled remotely over low-bandwidth TCP connections.Read 7 Oct 2026 · snowmix.sourceforge.io

Scripting

Snowmix supports simple and advanced scripting, including embedded Tcl and Python interpreters.Read 7 Oct 2026 · snowmix.sourceforge.io

Security and compliance

The official pages opened provide no security or compliance claims.Read 7 Oct 2026 · snowmix.sourceforge.io

Streaming input and output

Example scripts support input from RTSP streams and output as RTP, to a TCP server, or to an MP4 file.Read 7 Oct 2026 · snowmix.sourceforge.io

Supported systems

Version 0.5.2.2 was tested on listed Linux distributions and macOS versions through Monterey; newer macOS versions are prepared for but untested, and native macOS support is temporarily limited.Read 7 Oct 2026 · snowmix.sourceforge.io

Video and graphics

It supports overlaying and mixing video, images, text, and graphic elements, with animation, clipping, and blending.Read 7 Oct 2026 · snowmix.sourceforge.io

Windows limitation

Snowmix has not been tested on Windows, and its GStreamer shared-memory modules depend on POSIX features unavailable on native Windows.Read 7 Oct 2026 · snowmix.sourceforge.io

Plans and prices

Every Snowmix plan and price →

Where Specifiction places it

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