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Tech riderRev. 4 Oct 2026

OpenGazer

Ch 057.0of 27 Eye Tracking Software
  1. 1Runs onLinux, self-hosted
  2. 2CostsFree plan
  3. 3Input methodwebcam
  4. 4Study modelive
  5. 5Gaze visualizationsestimated gaze-focus point; head-rotation lines; calibration target
  6. 6Export formatsstandard output text; local UDP coordinates
  7. 7Supported platformsLinux; Debian; Ubuntu
7 lines stated Written from the maker's own pages: github.com
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The OpenGazer homepage

Overview

OpenGazer is ranked #5 of 27 in eye tracking software on Specifiction. It runs on Linux, Self-hosted. There is a free plan.

OpenGazer plans and pricing

All plans
OpenGazer Free Open-source gaze tracker; requires a webcam and Linux build dependencies github.com · 4 Oct 2026

Compared on eye tracking software

Free plan
Yesgithub.com
Input method
webcamgithub.com
Study mode
livegithub.com
Gaze visualizations
estimated gaze-focus point; head-rotation lines; calibration targetgithub.com
Export formats
standard output text; local UDP coordinatesgithub.com
Supported platforms
Linux; Debian; Ubuntugithub.com

Facts

Purpose
OpenGazer uses an ordinary webcam to track gaze direction and pass it to other programs.sourceforge.net · 3 Oct 2026
Use case
The project gives Dasher as an example of software that can use OpenGazer so a person can write with their eyes.sourceforge.net · 3 Oct 2026
Approach
The project describes itself as a low-cost software alternative to commercial hardware-based eye trackers.sourceforge.net · 3 Oct 2026
License
OpenGazer is distributed under the GNU General Public License version 2.0 (GPLv2).sourceforge.net · 3 Oct 2026
Platform
SourceForge lists Linux as the operating system and X Window System (X11) as the user interface.sourceforge.net · 3 Oct 2026
Development status
SourceForge lists the project status as Alpha and its last update as 2013-04-24.sourceforge.net · 3 Oct 2026
Build requirements
The repository README lists VXL, OpenCV, gtkmm, cairomm, and Boost as build requirements.github.com · 3 Oct 2026
Camera setup
The README instructs users to set the camera to 640×480 and place it centrally below the monitor.github.com · 3 Oct 2026
Calibration
The README says users calibrate by looking at indicated screen points while keeping their head still.github.com · 3 Oct 2026
Tracking setup
The README instructs users to select at least four facial tracking points and recommends seven or eight.github.com · 3 Oct 2026
Output
The README says gaze estimates are printed to standard output and sent over a local UDP socket on port 20230.github.com · 3 Oct 2026
Custom use
The README says changing calibration points to two points can make OpenGazer work as a binary switch.github.com · 3 Oct 2026
Gaze output
The program estimates the gaze point and displays it on screen.github.com · 4 Oct 2026
Head tracking
Users select facial points to track head position and rotation alongside gaze.github.com · 4 Oct 2026
Output methods
Gaze coordinates are written to standard output and sent over a local UDP socket on port 20230.github.com · 4 Oct 2026
Audience and interface
SourceForge describes it as a Linux desktop application with an X Window System interface for end users.sourceforge.net · 4 Oct 2026
Example integration
SourceForge gives Dasher as an example program that can use gaze direction for eye based writing.sourceforge.net · 4 Oct 2026
Project status
SourceForge labels the project Alpha and lists its last update as 2013-04-24.sourceforge.net · 4 Oct 2026

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Where it ranks on Specifiction

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