Exist

Exist may refer to:

Existence
eXist, an open source database management system built on XML
Existential quantification, in logic and mathematics (symbolized by ∃, read "exists")
Energetic X-ray Survey Telescope, a proposed hard X-ray imaging all-sky deep survey mission
Exist (album), a studio album by Exo
Exists (band), formerly Exist, a Malaysian band
Exists (film), a 2014 horror film
XIST (gene) X inactive specific transcript, a gene which inactivates extra copies of X-chromosomes.