| Atom | |
|---|---|
 | |
 Atom with an open project onWindows 10 | |
| Developer | GitHub (subsidiary ofMicrosoft)[1] |
| Initial release | February 26, 2014; 11 years ago (2014-02-26)[2] |
| Final release | 1.63.1[3]  / 23 November 2022 |
| Preview release | 1.61.0-beta0[4] / 8 March 2022 |
| Repository | |
| Written in | CoffeeScript,JavaScript,Less,HTML (front-end/UI) |
| Operating system | macOS 10.9 or later,Windows 7 and later, andLinux[5] |
| Size | 87–180MB |
| Available in | English |
| Type | Source-code editor |
| License | MIT License (free software)[6][7] |
| Website | atom |
Atom is afree and open-sourcetext andsource-code editor formacOS,Linux, andWindows with support forplug-ins written inJavaScript, and embeddedGit control. Developed byGitHub, Atom was released on June 25, 2015.[8]
On June 8, 2022, GitHub announced Atom'send-of-life, occurring on December 15 of the same year, justifying its need "to prioritize technologies that enable the future of software development", specifically its GitHub Codespaces andVisual Studio Code, developed by Microsoft which had acquired GitHub in 2018.[9][10]
Atom is a "hackable" text editor, which means it is customizable usingHTML,CSS, andJavaScript.[11]
Atom is adesktop application built usingweb technologies.[12] It is based on theElectron framework, which was developed for that purpose, and hence was formerly called Atom Shell.[13] Electron is aframework that enablescross-platform desktop applications usingChromium andNode.js.[14][15]
Atom was initially written inCoffeeScript andLess, but much of it was converted toJavaScript.[16]
Atom usesTree-sitter to providesyntax highlighting for multiple programming languages andfile formats.[17]
Like most other configurable text editors, Atom enables users to install third-party packages and themes to customize the features and looks of the editor. Packages can be installed, managed and published via Atom's package manager apm. All types of packages, including but not limited to: syntactic highlighting support for languages other than the default, debuggers, etc. can be installed via apm.[citation needed]
Atom was developed in 2008 byGitHub founderChris Wanstrath as a text editor using theElectron Framework (originally called Atom Shell), a framework designed as the base for Atom.[18]
Between May 2015 and December 2018,[19]Facebook developed Nuclide[20] and AtomIDE projects to turn Atom into anintegrated development environment (IDE).[21][22][23][24]
In 2018 whenMicrosoft announced they would be acquiring GitHub, users expressed concern that Microsoft might discontinue Atom, as it competed with Microsoft'sVisual Studio Code. The future GitHub CEO assured users that development and support for Atom would continue.[25] However, within four years, development ceased. On June 8, 2022,GitHub announced shutdown of Atom development and archival of all development repositories of Atom by December 15, 2022.[9]
In 2022, a former developer on Atom, Nathan Sobo, announced that he was building the "spiritual successor" to Atom, titledZed.[26][27][28] Unlike Atom, Zed would be written inRust instead of the Electron framework.[29]
On January 30, 2023, GitHub announced a breach which exposed "a set of encrypted code signing certificates" some of which were used to sign Atom releases. GitHub advised users to downgrade to earlier versions of Atom signed with a different key.[30]
Following Atom's end-of-life, development continued on a communityfork named Pulsar.[31]
Atom was made fullyopen source in May 2014 under theMIT License, including its desktop frameworkElectron.[32]
GitHub today announced that it will sunset Atom
[...] we didn't build Atom as a traditional web application. Instead, Atom was a specialized variant of Chromium designed to be a text editor rather than a web browser. Every Atom window is essentially a locally-rendered web page.
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