WebGazer.js is a JavaScript library that enables eye tracking on a web page using a webcam. It allows for gaze estimation on...
Best Tobii Pro SDK Alternatives ranked by AI · updated Aug 2026
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Tobii Pro SDK provides APIs for collecting and analyzing gaze data from Tobii eye trackers. It is primarily for researchers, usability professionals, and developers who need high-quality hardware-based eye tracking.
Top 6 Tobii Pro SDK alternatives
RealEye is a software tool that helps in analyzing and optimizing user experience by tracking eye movements on websites or applications.
Starting from $49/month
SeeSo is an eye-tracking SDK for adding camera-based gaze estimation to mobile, web, and other software experiences. It is aimed at developers...
Pros
- Supports camera-based gaze tracking without dedicated eye-tracking hardware
- Designed for integration into mobile and web applications
- Useful for accessibility, interaction, and attention-tracking features
Cons
- Commercial pricing is less transparent than open-source alternatives
- Camera-based accuracy is generally lower than dedicated eye trackers
- Requires device and lighting testing for reliable results
Custom pricing
Eye-tracking glasses for research and development purposes.
Pros
- High precision eye-tracking
- Suitable for research applications
Cons
- High price point
- Not consumer-focused
$4,500
5
GazeCloud API
GazeRecorder
GazeCloud API is a browser-based eye-tracking service that estimates gaze from a webcam and exposes results to web applications. It is intended...
Pros
- Designed for browser integration without specialized hardware
- Provides a commercial API rather than only a research library
- Suitable for remote studies and web-based gaze interactions
Cons
- Accuracy depends on webcam quality, lighting, and user calibration
- Commercial terms are less transparent than open-source options
- Browser permissions can reduce participant completion rates
Custom pricing
6
PyGaze
PyGaze contributors
PyGaze is an open-source Python toolkit for designing eye-tracking experiments and interfacing with supported eye trackers. It is intended for academic researchers...
Pros
- Free and open source for academic and experimental development
- Provides reusable components for gaze-contingent experiments
- Works with multiple supported eye-tracking systems
Cons
- Requires separate compatible eye-tracking hardware for most accurate use
- Less suitable for shipping gaze features inside consumer apps
- Documentation and integrations are more research-oriented
Free, open source
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