PLEX

PLEX or Plex may refer to:


 * PLEX (programming language), a special-purpose, concurrent, real-time programming language
 * Plex Inc., an American company that develops a client–server media player platform and streaming media services
 * Plex Systems, a software company based in Troy, Michigan
 * IBM Plex, an open source typeface superfamily
 * Pilot License Extension, an item in the video game Eve Online that adds game time to an account
 * Plasma exchange, a type of plasmapheresis where patient's blood plasma is removed and blood products are given in replacement
 * Plex, a robotic character on the children's television show Yo Gabba Gabba!