Flex

Flex or FLEX may refer to:

Computing

 * Flex (language), developed by Alan Kay
 * FLEX (operating system), a single-tasking operating system for the Motorola 6800
 * FlexOS, an operating system developed by Digital Research
 * FLEX (protocol), a communication protocol for pagers
 * Flex, a family of automatic test equipment produced by Teradyne
 * FLEx, a piece of software used in language documentation
 * Apache Flex, formerly Adobe Flex, technologies for developing rich internet applications
 * Flex (lexical analyser generator), a lexical analyser generator and a free software alternative to lex
 * Flex machine, a computer developed by RSRE in the 1980s
 * CSS Flexible Box Layout, commonly known as Flexbox, a CSS 3 web layout model

Science and technology

 * Bending, also known as flexure, as used in mechanics
 * Flexion, in anatomy, a position made possible by the joint angle decreasing
 * Femtosecond Lenticule EXtraction, a form of refractive eye surgery
 * Flex circuit, a flexible printed circuit used in electronic assemblies
 * FLEX mission, a future satellite launch mission by the European Space Agency
 * Flex temp, a reduced takeoff thrust setting which trades excess performance for reduced engine wear
 * Flex-fuel, a flexible-fuel vehicle
 * Inflection point, of a curve in geometry
 * Power cord, or flex, a flexible electrical cable

Music

 * Flex (singer), Félix Danilo Gómez (born 1974), Panamanian singer
 * Funkmaster Flex (born 1968), American DJ and music producer
 * Flex (album), Lene Lovich's 1979 second album
 * Flex (EP) a 2003 EP by Pitch Black
 * "Flex" (Dizzee Rascal song), 2007
 * "Flex" (Mad Cobra song), 1992
 * "Flex" (Polo G song), 2020
 * "Flex (Ooh, Ooh, Ooh)", a 2015 song by Rich Homie Quan
 * "Flex", a 2021 song by TFN
 * Flex, a break in the recitation tone before the mediation in Gregorian chant
 * A "flex" in a "flex bar", a technique used in battle rap

Organizations

 * Flex (club), a nightclub in Vienna, Austria
 * Flex (company) (NASDAQ symbol: FLEX), a contract electronics maker based in Singapore
 * Flex FM, a London-based radio station
 * Flex-Elektrowerkzeuge, a German producer of power tools
 * Flex Linhas Aéreas, a Brazilian regional airline

People

 * Flex Alexander, Mark Alexander Knox (b. 1970), an American actor and comedian
 * Walter Flex (1887–1917), German author

Other uses

 * Amazon Flex, a platform for gig workers performing deliveries for Amazon
 * Flex (comics), a fictional superhero
 * Flex (film), a commercial/short film by English director Chris Cunningham
 * Flex (magazine), an American bodybuilding magazine
 * Flex (TV program), a 2021 Philippine variety show
 * Fleet Landing Exercises, a series of landing exercises conducted by the Fleet Marine Force, a combined-United States Navy/Marine landing force
 * Flex Your Rights, a civil-liberties non-profit based in Washington DC, US
 * Ford Flex, a crossover SUV produced from 2009-2019
 * Future Leaders Exchange, an American student exchange program for high school students from the former Soviet Union