Home › Forums › Eye Tracking Devices › Is Eye Tracker 4C compatible with Tobii Gaze SDK? › Reply To: Is Eye Tracker 4C compatible with Tobii Gaze SDK? 27/04/2017 at 23:04 #6749 Xuezhong WangParticipanthi @Alex,I’m trying to write some GUI applications without EyeX SDK. Also, processing the data stream, extract events of interest with custom functions for interaction. Adding EyeX SDK as dependency just for calibration seems excessive to me.