This wiki is powered by MediaWiki, copyright © 2001-2026 Magnus Manske, Brooke Vibber, Lee Daniel Crocker, Tim Starling, Erik Möller, Gabriel Wicke, Ævar Arnfjörð Bjarmason, Niklas Laxström, Domas Mituzas, Rob Church, Yuri Astrakhan, Aryeh Gregor, Aaron Schulz, Andrew Garrett, Raimond Spekking, Alexandre Emsenhuber, Siebrand Mazeland, Chad Horohoe, Roan Kattouw, Trevor Parscal, Bryan Tong Minh, Sam Reed, Victor Vasiliev, Rotem Liss, Platonides, Antoine Musso, Timo Tijhof, Daniel Kinzler, Jeroen De Dauw, Brad Jorsch, Bartosz Dziewoński, Ed Sanders, Moriel Schottlender, Kunal Mehta, James D. Forrester, Brian Wolff, Adam Shorland, DannyS712, Ori Livneh, Max Semenik, Amir Sarabadani, Derk-Jan Hartman, Petr Pchelko, Umherirrender, C. Scott Ananian, fomafix, Thiemo Kreuz, Gergő Tisza, Volker E., Jack Phoenix, Isarra Yos, others and translatewiki.net translators.
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Parser hooks| Extension | Version | License | Description | Authors |
|---|
| CategoryTree | – | GPL-2.0-or-later | Dynamically navigate the category structure | Daniel Kinzler |
| CharInsert | – (887d390) 06:14, 10 September 2026 | GPL-2.0-or-later | Allows creation of JavaScript box for inserting non-standard characters | Brion Vibber |
| Cite | – | GPL-2.0-or-later | Adds <ref> and <references> tags for citations | Ævar Arnfjörð Bjarmason, Andrew Garrett, Brion Vibber, Ed Sanders, Marius Hoch, Steve Sanbeg, Trevor Parscal and others |
| EmbedVideo | 4.2.0 (db22ad7) 16:09, 14 September 2026 | MIT | This forked version adds a parser function for embedding videos from popular sources. | Octfx, Alistair3149, Jim R. Wilson, Andrew Whitworth, Alexia E. Smith and Cameron M. Chunn |
| External Data | 3.6 (4f27ae3) 05:44, 28 August 2026 | GPL-2.0-or-later | Allows for retrieving structured data from external URLs, databases and other sources | Yaron Koren, Alexander Mashin and others |
| Loops | 1.0.0-beta (864862f) 21:03, 4 September 2026 | GPL-2.0-or-later | Parser functions for performing loops | David M. Sledge and Daniel Werner |
| ParserFunctions | 1.6.1 | GPL-2.0-or-later | Enhance parser with logical functions | Tim Starling, Robert Rohde, Ross McClure and Juraj Simlovic |
| PDFEmbed | 3.0.1 (e05382e) 02:51, 5 September 2026 | LGPL-3.0-only | Media handler extension for PDF files. | Alexia E. Smith, Wolfgang Fahl/ProfiWiki, Mark A. Hershberger, Chris Koerner and Spas Z. Spasov |
| TabberNeue | 4.1.0 (3dac6db) 16:35, 25 September 2026 | GPL-3.0-or-later | Allows to create tabs within a page. Forked from Extension:Tabber. | alistair3149, Eric Fortin, Alexia E. Smith and Ciencia Al Poder |
| TemplateData | 0.2.0 | GPL-2.0-or-later | Implements data storage for template parameters (using JSON) | Timo Tijhof, Moriel Schottlender, James D. Forrester, Trevor Parscal, Bartosz Dziewoński, Marielle Volz, Sam Wilson, Sammy Fox and others |
| Variables | 2.6.0-beta (4f594df) 05:49, 28 August 2026 | ISC | Parser functions allowing to work with dynamic variables in an article scoped context | Rob Adams, Tom Hempel, Xiloynaha, Daniel Werner, MGChecker and others |
| Widgets | 1.7.0 (e7854bc) 17:21, 5 September 2026 | GPL-2.0-or-later | Allows wiki administrators to add free-form widgets to the wiki by editing pages within the Widget namespace.
Community-contributed widgets can be found on MediaWikiWidgets.org | Sergey Chernyshev, Yaron Koren and others |
| WikiSEO | 2.7.0 (358a3d4) 18:25, 5 September 2026 | GPL-2.0-or-later | Allows per-page meta settings like keywords and description, changing the title, and various site verification tags. | Octfx and others |
Other| Extension | Version | License | Description | Authors |
|---|
| AdvancedSearch | – (01d98d7) 04:35, 25 September 2026 | GPL-2.0-or-later | Easy access to advanced search capabilities on Special:Search | Wikimedia Deutschland Technical Wishes Team, Thiemo Kreuz, Gabriel Birke, Tonina Zhelyazkova, Christoph Jauera, Kai Nissen and Tim Eulitz |
| CirrusSearch | – (ac0188c) 04:37, 18 September 2026 | GPL-2.0-or-later | OpenSearch-powered search for MediaWiki | Nik Everett, Chad Horohoe, Erik Bernhardson and others |
| cldr | 4.17.0 (3735a30) 04:36, 25 September 2026 | GPL-2.0-or-later | Extension which provides localised language names based on CLDR data | Niklas Laxström, Siebrand Mazeland, Ryan Kaldari and Sam Reed |
| Description2 | 0.4.1 (9b688c9) 23:02, 3 September 2026 | GPL-2.0-or-later | Adds a description meta-tag to MediaWiki pages and into the ParserOutput for other extensions to use | Daniel Friesen |
| Elastica | 6.2.0 (3a4dafa) 02:35, 4 September 2026 | GPL-2.0-or-later | Base Elasticsearch functionality for other extensions by providing Elastica library | Nik Everett and Chad Horohoe |
| Gadgets | – | GPL-2.0-or-later | Lets users select custom CSS and JavaScript gadgets in their preferences | Daniel Kinzler, Max Semenik, Timo Tijhof and Siddharth VP |
| HeadScript | 1.1.1 (0080619) 13:13, 4 September 2026 | MIT | Allows Scripts to be added just before </head> to the wiki as configured in the LocalSettings.php file. | JinRyuu and StarHeartHunt |
| MultimediaViewer | – | GPL-2.0-or-later | Expand thumbnails in a larger size in a fullscreen interface | Gergő Tisza, Gilles Dubuc, Mark Holmquist, Simon Legner, Ed Sanders, Pau Giner, James D. Forrester, Željko Filipin, fomafix, Volker E, Kunal Mehta, Umherirrender, Timo Tijhof, Aaron Arcos, Thiemo Kreuz, Matthias Mullie, Jon Robson, Derk-Jan Hartman, Chris McMahon, Bartosz Dziewoński, Brooke Vibber, Eric Gardner, Kimberly Sarabia, Marco Fossati and others |
| RelatedArticles | 3.1.0 (8d6db14) 11:20, 20 September 2026 | GPL-2.0-only | Adds links to related pages in the footer | Readers Web Team, Roland Unger, Hans Musil, Matthias Mullie and Sam Smith |
| RevisionSlider | – (4eb789a) 11:47, 20 September 2026 | GPL-2.0-or-later | Shows a slider allowing selecting and comparing of revisions on a diff page | Wikimedia Deutschland Technical Wishes Team, Addshore, Leszek Manicki, Jakob Warkotsch, Tobias Gritschacher and Christoph Jauera |
| Thanks | 1.2.0 | MIT | Adds links for thanking users for edits, comments, etc. | Ryan Kaldari, Benjamin Chen and Wctaiwan |
| Upload Wizard | 1.5.0 (bd64df4) 04:36, 25 September 2026 | GPL-2.0-or-later | Upload Wizard, a user-friendly tool for uploading multimedia | Neil Kandalgaonkar, Jeroen De Dauw, Mark Holmquist, Ryan Kaldari, Michael Dale, Ankur Anand, Ian Baker, Nischay Nahata, Yuvi Panda, Bartosz Dziewoński, Matthias Mullie and others |
| Library | Version | License | Description | Authors |
|---|
| bacon/bacon-qr-code | 3.0.4 | BSD-2-Clause | BaconQrCode is a QR code generator for PHP. | Ben Scholzen 'DASPRiD' |
| brick/math | 0.14.8 | MIT | Arbitrary-precision arithmetic library | |
| christian-riesen/base32 | 1.6.0 | MIT | Base32 encoder/decoder according to RFC 4648 | Christian Riesen |
| composer/installers | 2.3.0 | MIT | A multi-framework Composer library installer | Kyle Robinson Young |
| composer/semver | 3.4.4 | MIT | Semver library that offers utilities, version constraint parsing and validation. | Nils Adermann, Jordi Boggiano and Rob Bast |
| dasprid/enum | 1.0.7 | BSD-2-Clause | PHP 7.1 enum implementation | Ben Scholzen 'DASPRiD' |
| elasticsearch/elasticsearch | 7.17.3 | Apache-2.0 and LGPL-2.1-only | PHP Client for Elasticsearch | Zachary Tong and Enrico Zimuel |
| endroid/qr-code | 6.0.9 | MIT | Endroid QR Code | Jeroen van den Enden |
| ezimuel/guzzlestreams | 4.1.0 | MIT | Fork of guzzle/streams (abandoned) to be used with elasticsearch-php | Michael Dowling |
| ezimuel/ringphp | 1.4.1 | MIT | Fork of guzzle/RingPHP (abandoned) to be used with elasticsearch-php | Michael Dowling |
| firebase/php-jwt | 7.0.3 | BSD-3-Clause | A simple library to encode and decode JSON Web Tokens (JWT) in PHP. Should conform to the current spec. | Neuman Vong and Anant Narayanan |
| guzzlehttp/guzzle | 7.12.3 | MIT | Guzzle is a PHP HTTP client library | Graham Campbell, Michael Dowling, Jeremy Lindblom, George Mponos, Tobias Nyholm, Márk Sági-Kazár and Tobias Schultze |
| guzzlehttp/promises | 2.5.0 | MIT | Guzzle promises library | Graham Campbell, Michael Dowling, Tobias Nyholm and Tobias Schultze |
| guzzlehttp/psr7 | 2.12.3 | MIT | PSR-7 message implementation that also provides common utility methods | Graham Campbell, Michael Dowling, George Mponos, Tobias Nyholm, Márk Sági-Kazár, Tobias Schultze and Márk Sági-Kazár |
| jakobo/hotp-php | 2.0.0 | BSD-3-Clause | HOTP simplifies One Time Password systems for PHP Authentication | Jakob Heuser |
| justinrainbow/json-schema | 5.3.4 | MIT | A library to validate a json schema. | Bruno Prieto Reis, Justin Rainbow, Igor Wiedler and Robert Schönthal |
| lcobucci/jwt | 5.6.0 | BSD-3-Clause | A simple library to work with JSON Web Token and JSON Web Signature | Luís Cobucci |
| liuggio/statsd-php-client | 1.0.18 | MIT | Statsd (Object Oriented) client library for PHP | Giulio De Donato |
| mck89/peast | 1.17.5 | BSD-3-Clause | Peast is PHP library that generates AST for JavaScript code | Marco Marchiò |
| monolog/monolog | 2.11.0 | MIT | Sends your logs to files, sockets, inboxes, databases and various web services | Jordi Boggiano |
| nyholm/dsn | 2.0.1 | MIT | Parse your DSN strings in a powerful and flexible way | Tobias Nyholm |
| okvpn/clock-lts | 1.0.0 | MIT | Adding support for a wider range of PHP versions to lcobucci/clock | Luís Cobucci and Uładzimir Tsykun |
| oojs/oojs-ui | 0.53.2 | MIT | Provides library of common widgets, layouts, and windows. | Bartosz Dziewoński, Ed Sanders, James D. Forrester, Kirsten Menger-Anderson, Kunal Mehta, Moriel Schottlender, Prateek Saxena, Roan Kattouw, Thiemo Kreuz, Timo Tijhof, Trevor Parscal and Volker E. |
| paragonie/constant_time_encoding | 3.1.3 | MIT | Constant-time Implementations of RFC 4648 Encoding (Base-64, Base-32, Base-16) | Paragon Initiative Enterprises and Steve 'Sc00bz' Thomas |
| pear/console_getopt | 1.4.3 | BSD-2-Clause | More info available on: http://pear.php.net/package/Console_Getopt | Andrei Zmievski, Stig Bakken and Greg Beaver |
| pear/mail | 2.0.0 | BSD-3-Clause | Class that provides multiple interfaces for sending emails. | Chuck Hagenbuch, Armin Graefe, Richard Heyes and Aleksander Machniak |
| pear/mail_mime | 1.10.12 | BSD-3-Clause | Mail_Mime provides classes to create MIME messages | Cipriano Groenendal and Aleksander Machniak |
| pear/net_smtp | 1.12.2 | BSD-2-Clause | An implementation of the SMTP protocol | Jon Parise, Chuck Hagenbuch and Armin Graefe |
| pear/net_socket | 1.2.2 | PHP License | More info available on: http://pear.php.net/package/Net_Socket | Chuck Hagenbuch, Aleksander Machniak and Stig Bakken |
| pear/net_url2 | 2.2.3 | BSD-3-Clause | Class for parsing and handling URL. Provides parsing of URLs into their constituent parts (scheme, host, path etc.), URL generation, and resolving of relative URLs. | Tom Klingenberg, David Coallier and Christian Schmidt |
| pear/pear-core-minimal | 1.10.18 | BSD-3-Clause | Minimal set of PEAR core files to be used as composer dependency | Christian Weiske |
| pear/pear_exception | 1.0.2 | BSD-2-Clause | The PEAR Exception base class. | Helgi Thormar and Greg Beaver |
| psr/clock | 1.0.0 | MIT | Common interface for reading the clock. | PHP-FIG |
| psr/container | 2.0.2 | MIT | Common Container Interface (PHP FIG PSR-11) | PHP-FIG |
| psr/event-dispatcher | 1.0.0 | MIT | Standard interfaces for event handling. | PHP-FIG |
| psr/http-client | 1.0.3 | MIT | Common interface for HTTP clients | PHP-FIG |
| psr/http-factory | 1.1.0 | MIT | PSR-17: Common interfaces for PSR-7 HTTP message factories | PHP-FIG |
| psr/http-message | 2.0 | MIT | Common interface for HTTP messages | PHP-FIG |
| psr/log | 1.1.4 | MIT | Common interface for logging libraries | PHP-FIG |
| react/promise | 3.3.0 | MIT | A lightweight implementation of CommonJS Promises/A for PHP | Jan Sorgalla, Christian Lück, Cees-Jan Kiewiet and Chris Boden |
| ruflin/elastica | 7.3.2 | MIT | Elasticsearch Client | Nicolas Ruflin |
| smarty/smarty | 4.5.7 | LGPL-3.0 | Smarty - the compiling PHP template engine | Monte Ohrt, Uwe Tews, Rodney Rehm and Simon Wisselink |
| spomky-labs/cbor-php | 3.2.2 | MIT | CBOR Encoder/Decoder for PHP | Florent Morselli and All contributors |
| spomky-labs/pki-framework | 1.4.1 | MIT | A PHP framework for managing Public Key Infrastructures. It comprises X.509 public key certificates, attribute certificates, certification requests and certification path validation. | Joni Eskelinen and Florent Morselli |
| symfony/clock | 7.4.8 | MIT | Decouples applications from the system clock | Nicolas Grekas and Symfony Community |
| symfony/deprecation-contracts | 3.6.0 | MIT | A generic function and convention to trigger deprecation notices | Nicolas Grekas and Symfony Community |
| symfony/polyfill-php73 | 1.37.0 | MIT | Symfony polyfill backporting some PHP 7.3+ features to lower PHP versions | Nicolas Grekas and Symfony Community |
| symfony/polyfill-php84 | 1.37.0 | MIT | Symfony polyfill backporting some PHP 8.4+ features to lower PHP versions | Nicolas Grekas and Symfony Community |
| symfony/polyfill-php85 | 1.37.0 | MIT | Symfony polyfill backporting some PHP 8.5+ features to lower PHP versions | Nicolas Grekas and Symfony Community |
| symfony/property-access | 7.4.8 | MIT | Provides functions to read and write from/to an object or array using a simple string notation | Fabien Potencier and Symfony Community |
| symfony/property-info | 7.4.8 | MIT | Extracts information about PHP class' properties using metadata of popular sources | Kévin Dunglas and Symfony Community |
| symfony/serializer | 7.4.10 | MIT | Handles serializing and deserializing data structures, including object graphs, into array structures or other formats like XML and JSON. | Fabien Potencier and Symfony Community |
| symfony/string | 7.4.11 | MIT | Provides an object-oriented API to strings and deals with bytes, UTF-8 code points and grapheme clusters in a unified way | Nicolas Grekas and Symfony Community |
| symfony/type-info | 7.4.9 | MIT | Extracts PHP types information. | Mathias Arlaud, Baptiste LEDUC and Symfony Community |
| symfony/uid | 7.4.9 | MIT | Provides an object-oriented API to generate and represent UIDs | Grégoire Pineau, Nicolas Grekas and Symfony Community |
| symfony/yaml | 7.4.12 | MIT | Loads and dumps YAML files | Fabien Potencier and Symfony Community |
| web-auth/cose-lib | 4.5.2 | MIT | CBOR Object Signing and Encryption (COSE) For PHP | Florent Morselli and All contributors |
| web-auth/webauthn-lib | 5.3.2 | MIT | FIDO2/Webauthn Support For PHP | Florent Morselli and All contributors |
| wikimedia/assert | 0.5.1 | MIT | Provides runtime assertions | Daniel Kinzler and Thiemo Kreuz |
| wikimedia/at-ease | 3.0.0 | GPL-2.0-or-later | Safe replacement to @ for suppressing warnings. | Tim Starling and MediaWiki developers |
| wikimedia/base-convert | 2.0.2 | GPL-2.0-or-later | Convert an arbitrarily-long string from one numeric base to another, optionally zero-padding to a minimum column width. | Brion Vibber and Tyler Romeo |
| wikimedia/bcp-47-code | 2.0.3 | GPL-2.0-or-later | Simple interface representing languages which have a BCP 47 code | C. Scott Ananian |
| wikimedia/cdb | 3.0.0 | GPL-2.0-or-later | Constant Database (CDB) wrapper library for PHP. Provides pure-PHP fallback when dba_* functions are absent. | Tim Starling, Chad Horohoe, Ori Livneh and Daniel Kinzler |
| wikimedia/cldr-plural-rule-parser | 3.0.1 | GPL-2.0-or-later | Evaluates plural rules specified in the CLDR project notation. | Tim Starling and Niklas Laxström |
| wikimedia/codex | 0.7.1 | GPL-2.0-or-later | A PHP library for building HTML and CSS UI components using Codex, the Wikimedia design system. | Doğu Abaris |
| wikimedia/common-passwords | 0.5.1 | MIT | List of the 100,000 most commonly used passwords | Sam Reed |
| wikimedia/composer-merge-plugin | 2.1.0 | MIT | Composer plugin to merge multiple composer.json files | Bryan Davis |
| wikimedia/css-sanitizer | 6.2.1 | Apache-2.0 | Classes to parse and sanitize CSS | Brad Jorsch |
| wikimedia/cssjanus | 2.3.0 | Apache-2.0 | Convert CSS stylesheets between left-to-right and right-to-left. | Roan Kattouw, Trevor Parscal and Timo Tijhof |
| wikimedia/equivset | 1.7.1 | GPL-2.0-or-later | Visually Equivalent Set of UTF-8 Characters | Brooke Vibber, David Barratt, Thiemo Kreuz and Umherirrender |
| wikimedia/html-formatter | 4.1.0 | GPL-2.0-or-later | Performs transformations of HTML by wrapping around libxml2 and working around its countless bugs. | MediaWiki contributors |
| wikimedia/idle-dom | 2.1.1 | MIT | DOM interfaces automatically generated from WebIDL | C. Scott Ananian |
| wikimedia/ip-utils | 6.0.1 | GPL-2.0-or-later | Parse, match, and analyze IP addresses and CIDR ranges | MediaWiki developers |
| wikimedia/json-codec | 4.0.0 | GPL-2.0-or-later | Interfaces to serialize and deserialize PHP objects to/from JSON | Petr Pchelko, Daniel Kinzler and C. Scott Ananian |
| wikimedia/language-data | 1.1.13 | GPL-2.0-or-later | Language data and utilities. | Amir E. Aharoni, Kartik Mistry, Niklas Laxström, Santhosh Thottingal and Abijeet Patro |
| wikimedia/less.php | 5.5.1 | Apache-2.0 | PHP port of the LESS processor | Timo Tijhof, Josh Schmidt, Matt Agar and Martin Jantošovič |
| wikimedia/lucene-explain-parser | 2.0.0 | Apache-2.0 | Parsing and pretty-printing Lucene explain data | Erik Bernhardson and Stanislav Malyshev |
| wikimedia/minify | 2.10.0 | Apache-2.0 | Minification of JavaScript code and CSS stylesheets. | Paul Copperman, Trevor Parscal, Timo Tijhof and Roan Kattouw |
| wikimedia/normalized-exception | 2.1.1 | MIT | A helper for making exceptions play nice with PSR-3 logging | Gergő Tisza |
| wikimedia/object-factory | 6.0.0 | GPL-2.0-or-later | Construct objects from configuration instructions | Bryan Davis |
| wikimedia/parsoid | 0.23.1 | GPL-2.0-or-later | Parsoid, a bidirectional parser between wikitext and HTML5 | Wikimedia Content Transform Team and the broader MediaWiki community |
| wikimedia/php-session-serializer | 3.0.2 | GPL-2.0-or-later | Provides methods like PHP's session_encode and session_decode that don't mess with $_SESSION | Brad Jorsch |
| wikimedia/purtle | 2.0.0 | GPL-2.0-or-later | Fast streaming RDF serializer | Daniel Kinzler, Stanislav Malyshev, Thiemo Kreuz and C. Scott Ananian |
| wikimedia/relpath | 4.1.1 | MIT | Work with file paths to join or find the relative path | Ori Livneh |
| wikimedia/remex-html | 6.0.0 | MIT | Fast HTML 5 parser | Tim Starling |
| wikimedia/request-timeout | 3.0.0 | MIT | Request timeout library for Excimer with plain PHP fallback | Tim Starling |
| wikimedia/running-stat | 2.2.0 | GPL-2.0-or-later | PHP implementations of online statistical algorithms | Ori Livneh |
| wikimedia/scoped-callback | 5.0.0 | GPL-2.0-or-later | Make a callback run when a dummy object leaves the scope. | Aaron Schulz |
| wikimedia/services | 4.0.0 | GPL-2.0-or-later | Generic service to manage named services using lazy instantiation based on instantiator callback functions | Daniel Kinzler |
| wikimedia/shellbox | 4.4.0 | MIT | Library and server for containerized shell execution | Tim Starling, Kunal Mehta and Max Semenik |
| wikimedia/textcat | 2.0.0 | LGPL-2.1-only | PHP port of the TextCat language guesser utility, see http://odur.let.rug.nl/~vannoord/TextCat/. | Trey Jones and Stanislav Malyshev |
| wikimedia/timestamp | 5.1.0 | GPL-2.0-or-later | Creation, parsing, and conversion of timestamps | Tyler Romeo |
| wikimedia/utfnormal | 4.0.0 | GPL-2.0-or-later | Contains Unicode normalization routines, including both pure PHP implementations and automatic use of the 'intl' PHP extension when present | Brion Vibber |
| wikimedia/wait-condition-loop | 2.0.2 | GPL-2.0-or-later | Wait loop that reaches a condition or times out | Aaron Schulz |
| wikimedia/wikipeg | 6.1.1 | MIT | Parser generator for JavaScript and PHP | |
| wikimedia/wrappedstring | 4.1.0 | MIT | Automatically compact sequentially-outputted strings that share a common prefix / suffix pair. | Timo Tijhof |
| wikimedia/xmp-reader | 0.10.3 | GPL-2.0-or-later | Reader for XMP data containing properties relevant to images | Brian Wolff |
| wikimedia/zest-css | 4.1.1 | MIT | Fast, lightweight, extensible CSS selector engine for PHP | Christopher Jeffrey and C. Scott Ananian |
| zordius/lightncandy | 1.2.6 | MIT | An extremely fast PHP implementation of handlebars ( http://handlebarsjs.com/ ) and mustache ( http://mustache.github.io/ ). | Zordius Chen |
| Library | Version | License | Authors | Source |
|---|
| CLDRPluralRuleParser | 1.6.5 | MIT | Santhosh Thottingal | MediaWiki |
| Color Picker | 1.3.5 | MIT | Taufik Nurrohman and other contributors | VisualEditor |
| DOMPurify | 2.4.4 | MPL-2.0 OR Apache-2.0 | Mario Heiderich and other contributors | VisualEditor |
| Diff Match and Patch | — | Apache-2.0 | Google, Inc. | VisualEditor |
| PapaParse | 5.3.2 | MIT | Matthew Holt and other contributors | VisualEditor |
| RangeFix | 0.2.10 | MIT | Ed Sanders and other contributors | VisualEditor |
| Tree Differ | 1.0.2 | MIT | Thalia Chan | VisualEditor |
| UnicodeJS | 15.0.0 | MIT | Ed Sanders, David Chan and other contributors | VisualEditor |
| Universal Language Selector data | — | MIT OR GPL-2.0+ | Wikimedia Language Engineering Team and other contributors | VisualEditor |
| VisualEditor | Development branch | MIT | VisualEditor Team and other contributors | VisualEditor |
| ace | 1.39.1 | BSD-3-Clause | Ace authors – https://ace.c9.io/ | CodeEditor |
| codex-design-tokens | 2.5.1 | GPL-2.0+ | Design System team, Wikimedia Foundation | MediaWiki |
| codex-icons | 2.5.1 | MIT | Design System team, Wikimedia Foundation | MediaWiki |
| codex | 2.5.1 | GPL-2.0+ | Design System team, Wikimedia Foundation | MediaWiki |
| fetch-polyfill | 3.6.2 | MIT | GitHub, Inc. | MediaWiki |
| intersection-observer | 0.12.0 | Apache-2.0 | Philip Walton | MediaWiki |
| jquery.chosen | 1.8.2 | MIT | Patrick Filler for Harvest, Matthew Lettini, Patrick Filler, Ken Earley, Christophe Coevoet, Koen Punt, and T.J. Schuck. | MediaWiki |
| jquery.client | 3.0.0 | MIT | Trevor Parscal, Timo Tijhof, and Roan Kattouw | MediaWiki |
| jquery.i18n | 1.0.10 | MIT OR GPL-2.0-or-later | Language Engineering team, Wikimedia Foundation | MediaWiki |
| jquery.ui | 1.9.2 | MIT | OpenJS Foundation and other contributors | MediaWiki |
| jquery.uls | 000727d9354ddb6c848146561749ef1080f1da29 | GPL-2.0 | Wikimedia contributors | TemplateData |
| jquery | 3.7.1 | MIT | OpenJS Foundation and other contributors | MediaWiki |
| jsdifflib | 1 | BSD-3-Clause | Snowtide Informatics Systems, Inc. | VisualEditor |
| moment | 2.30.1 | MIT | JS Foundation and other contributors | MediaWiki |
| mustache | 4.2.0 | MIT | Michael Jackson, Jan Lehnardt, Phillip Johnsen, and other contributors | MediaWiki |
| oojs | 7.0.1 | MIT | OOjs Team and other contributors | MediaWiki |
| ooui | 0.53.2 | MIT | OOUI Team and other contributors | MediaWiki |
| pako | 2.1.0 | MIT AND Zlib | Andrei Tuputcyn, Vitaly Puzrin, Friedel Ziegelmayer, Kirill Efimov, Jean-loup Gailly, and Mark Adler | MediaWiki |
| pinia | 2.0.16 | MIT | Eduardo San Martin Morote | MediaWiki |
| qunitjs | 2.24.1 | MIT | OpenJS Foundation and other contributors | MediaWiki |
| sinonjs | 18.0.1 | BSD-3-Clause | Christian Johansen and other contributors | MediaWiki |
| socket.io-client | 4.4.0 | MIT | Guillermo Rauch and other contributors | VisualEditor |
| spark-md5 | 3.0.0 | WTFPL OR MIT | André Cruz | VisualEditor |
| url | 3.111.0-0ece79ce32 | MIT | Financial Times | MediaWiki |
| vue-compiler-dom | 3.5.13 | MIT | Yuxi (Evan) You | MediaWiki |
| vue-demi | 0.14.7 | MIT | Anthony Fu | MediaWiki |
| vue-test-utils | 2.4.6 | MIT | Lachlan Miller | MediaWiki |
| vue | 3.5.13 | MIT | Yuxi (Evan) You | MediaWiki |
| vuex | 4.0.2 | MIT | Yuxi (Evan) You | MediaWiki |
