Taken together, SCAview presents a novel and unique insight into clinical aspects of the most common spinocerebellar ataxias, SCA1, SCA2, SCA3, and SCA6, by presenting the first unified and merged cohort data and making it accessible to a broad community of interested researchers and clinicians by providing an intuitive tool to explore and visualize these data. The gene discussed is CACNA1A; the disease is cerebellar ataxia.