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Tech riderRev. 4 Oct 2026

LibreAvatrak

Ch 255.4of 25 VTuber Software
  1. 1Runs onAPI
  2. 2CostsFree plan
  3. 3Avatar workflow3d
  4. 4Avatar importvrm
4 lines stated Written from the maker's own pages: github.com
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Overview

LibreAvatrak is ranked #25 of 25 in VTuber software on Specifiction. It runs on API. There is a free plan.

LibreAvatrak plans and pricing

All plans
LibreAvatrak Free Free/Libre software; individual creators may use it without charge github.com · 4 Oct 2026

Compared on VTuber software

Free plan
Yesgithub.com
Avatar workflow
3dgithub.com
Avatar import
vrmgithub.com

Facts

Purpose
LibreAvatrak is a lightweight, single-camera facial motion capture tool for VTubers and virtual avatar creators.github.com · 4 Oct 2026
Face tracking
It uses MediaPipe to detect face landmarks and calculate head pitch, yaw, and roll.github.com · 4 Oct 2026
Expressions
It extracts eye openness using EAR and mouth movement using MAR.github.com · 4 Oct 2026
Camera processing
The project lists OpenCV for camera video capture and image processing.github.com · 4 Oct 2026
Avatar animation
Tracking data streams to Godot to animate VRM humanoid avatars in real time.github.com · 4 Oct 2026
Data API
Its Python and Flask multiprocess tracking backend provides a low-latency HTTP data API.github.com · 4 Oct 2026
Requirements
The setup instructions call for a Python environment and Godot Editor 4.6.github.com · 4 Oct 2026
License
LibreAvatrak is licensed under the GNU Affero General Public License v3.github.com · 4 Oct 2026
Network source sharing
The project says modified instances or publicly accessible network services must share their modified source code.github.com · 4 Oct 2026
Commercial use
The project permits creators to earn revenue from content made with the software, including VTuber streaming and commercial production.github.com · 4 Oct 2026
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.github.com · 4 Oct 2026
Character setup
The instructions describe loading a VRM file in Godot and saving the replacement character scene as .scn rather than .tscn.github.com · 4 Oct 2026

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Where it ranks on Specifiction

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Sources