REACT or React may refer to:

Science and technology

* REACT (telescope), 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 ...

, 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 ReactOS is a free and open-source operating system for amd64/ i686 personal computers intended to be binary-compatible with computer programs and device drivers made for Windows Server 2003 and later versions of Windows. ReactOS has been noted ...

, 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 ''React to That'' (stylized as ''ReactToThat'') is an American television series developed by Nick Cannon and Benny and Rafi Fine. It aired on Nickelodeon Nickelodeon (often shortened to Nick) is an American pay television television ch ...

'', 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, 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, 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 command and control system of the US for nuclear intercontinental ballistic missiles *

Remote Electronically Activated Control Technology belt A stun belt is a belt fastened around the subject's waist, leg, or arm that carries a battery and control pack, and contains features to stop the subject from unfastening or removing it. A remote-control signal is sent to tell the control pack to g ...

(REACT belt), a restraint device