The Tablet-based Cognitive Assessment Tool (TabCAT) is an application developed at University of California San Francisco for the administration of clinical and research tools. The variety of tools available on TabCAT includes cognitive tests of executive function, memory, language, motor skills, and visuospatial skills. It also includes a set of multidimensional questionnaires that are subject-facing, informant-facing, or examiner-facing. TabCAT tools are designed for use in diverse settings, and automated administration and scoring ensure high precision and standardization of measurement. The tests can be used for assessment and longitudinal monitoring of cognitive and behavioral abilities in adults.