LibreAvatrak

Spec sheet

Purpose

LibreAvatrak is a lightweight, single-camera facial motion capture tool for VTubers and virtual avatar creators.Read 4 Oct 2026 · github.com

License

LibreAvatrak is licensed under the GNU Affero General Public License v3.Read 4 Oct 2026 · github.com

Avatar animation

Tracking data streams to Godot to animate VRM humanoid avatars in real time.Read 4 Oct 2026 · github.com

Camera processing

The project lists OpenCV for camera video capture and image processing.Read 4 Oct 2026 · github.com

Character setup

The instructions describe loading a VRM file in Godot and saving the replacement character scene as .scn rather than .tscn.Read 4 Oct 2026 · github.com

Commercial use

The project permits creators to earn revenue from content made with the software, including VTuber streaming and commercial production.Read 4 Oct 2026 · github.com

Data API

Its Python and Flask multiprocess tracking backend provides a low-latency HTTP data API.Read 4 Oct 2026 · github.com

Expressions

It extracts eye openness using EAR and mouth movement using MAR.Read 4 Oct 2026 · github.com

Face tracking

It uses MediaPipe to detect face landmarks and calculate head pitch, yaw, and roll.Read 4 Oct 2026 · github.com

Network source sharing

The project says modified instances or publicly accessible network services must share their modified source code.Read 4 Oct 2026 · github.com

Requirements

The setup instructions call for a Python environment and Godot Editor 4.6.Read 4 Oct 2026 · github.com

Restrictions

The project says users may not modify and close the source, package and sell the software, or build paid cloud motion capture services based on it.Read 4 Oct 2026 · github.com

Plans and prices

Every LibreAvatrak plan and price →

Where Specifiction places it

• VTuber Software#14 of 257.7