+++

+++ may refer to:


 * +++ (modem), a command to switch from data to command mode in modems in telecommunication, originally by Hayes
 * +++ (Leiden), a sign to indicate traces of letters according to the Leiden Conventions
 * +++ (Shulgin Rating Scale), a quantification for the subjective effect of psychoactive substances


 * +++ may refer to the pattern used by Paintball company "Hormesis"