REACT or React may refer to:

Science and technology

REACT (telescope) Fenton Hill Observatory is an astronomical research facility operated by Los Alamos National Laboratory in the Jemez Mountains of New Mexico, about west of Los Alamos. The site is home to several astronomical experiments and observatories spannin ...

, a telescope at Fenton Hill Observatory, New Mexico, US

Computing

React (JavaScript library) React (also known as React.js or ReactJS) is a free and open-source front-end JavaScript library for building user interfaces based on UI components. It is maintained by Meta (formerly Facebook) and a community of individual developers and co ...

, a JavaScript library for building user interfaces, from Facebook **

React Native React Native is an open-source UI software framework created by Meta Platforms, Inc. It is used to develop applications for Android, Android TV, iOS, macOS, tvOS, Web, Windows and UWP by enabling developers to use the React framework along ...

, a mobile application framework created by Facebook * ReactOS, an open-source operating system compatible with Microsoft Windows

Arts and entertainment

* ''React'' (book), originally ''Reacciona'', a 2011 Spanish-language book * ''React'' (media franchise), a metaseries of web videos created by the Fine Brothers ** '' React to That'', a Nickelodeon TV series based on the first two ''React'' series

Music

* React (band), a 1990s American boys band made of Tim Cruz and Daniel Matrium *

React Music Limited React Music Limited was a British, London-based independent record label, that was formed in 1990 by James Horrocks and Thomas Foley. James Horrocks was initially involved with successful dance music independent Rhythm King, and React pursue ...

, a 1990s London based dance record label

Albums and songs

* ''React'' (The Fixx album), a 1987 live album by the band The Fixx * ''React'' (Erick Sermon album), a 2002 album by rapper Erick Sermon ** "React" (Erick Sermon song), a song from the album * ''React'' (Robert Rich and Ian Boddy album), a 2008 album by electronic musicians Robert Rich and Ian Boddy * "React" (Onyx song), a song by Onyx on their 1998 album ''Shut 'Em Down'' * "React" (The Pussycat Dolls song), a 2020 song by the Pussycat Dolls

Organizations

Radio Emergency Associated Communication Teams REACT (Radio Emergency Associated Communication Teams) began as a CB radio Emergency Channel 9 monitoring organization across the United States and Canada in 1962. Initially, the primary role of REACT volunteers was to monitor Channel 9, the CB Em ...

, a volunteer radio emergency service across the US and Canada * Rapid Enforcement Allied Computer Team, a task force of the

High Technology Theft Apprehension and Prosecution Program The High Technology Theft Apprehension and Prosecution Program, abbreviated as the HTTAP Program, is a program within the California Emergency Management Agency (CalEMA) concerned with high technology crime including white-collar crime, cracking, ...

, California, US

Other uses

Rapid Execution and Combat Targeting System The United States Air Force's Rapid Execution and Combat Targeting System (REACT) is a modification of the LGM-30 Minuteman launch control centers (LCC's) that provides continual monitoring and rapid retargeting of Minuteman ICBMs. It integrates c ...

, the command and control system of the US for nuclear intercontinental ballistic missiles * Remote Electronically Activated Control Technology belt (REACT belt), a restraint device