Exist may refer to:
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
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.
== See also ==
Existence (disambiguation), for other meanings of "existence" and "existential"
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