Cedrus offers a variety of synchronized stimulus presentation for EEG and eye-tracking research. The demand for synchronizing events lead Cedrus to develop the StimTracker, m-pod, and c-pod. Easy Plug-and-Play application to detect onsets of visual, auditory, and further event codes as well as key and vocal responses. The response devices with customizable response keys were developed for standard laboratories, followed by models suited for the fMRI environment.