Feng-GUI vs OpenGazer
| Feng-GUI | OpenGazer | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | Yes | No |
| Paid from | $67/mo | Free |
| Open source | No | No |
| Platforms | api, Web | Linux, self-hosted |
| Free plan | No | Yes |
| Paid from | 67 /mo | — |
| Gaze visualizations | heatmaps, gaze plots, focus maps, Areas of Interest reports | estimated gaze-focus point; head-rotation lines; calibration target |
| Export formats | raw image, JSON, CSV | standard output text; local UDP coordinates |
| Supported platforms | web browser; API | Linux; Debian; Ubuntu |
| Input method | — | webcam |
| Study mode | — | live |
Both are listed in Best Eye Tracking Software. On Inferse, Feng-GUI scores higher on our published basis.