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Special pages| Extension | Version | License | Description | Authors |
|---|
| Admin Links | 0.6.3 (ee0ff8a) 12:28, 30 March 2026 | GPL-2.0-or-later | Adds a special page that holds helpful links for administrators | Yaron Koren |
| CheckUser | 2.5 (7409a5e) 04:56, 7 April 2026 | GPL-2.0-or-later | Grants users with the appropriate permission the ability to check users' IP addresses and other information | Tim Starling, Aaron Schulz and Dreamy Jazz |
| CiteThisPage | – (cc8c2f1) 04:56, 7 April 2026 | GPL-2.0-or-later | Adds a citation special page and toolbox link | Ævar Arnfjörð Bjarmason and James D. Forrester |
| ContributionScores | 1.26.1 (a00a217) 05:17, 23 November 2024 | | Polls the wiki database for highest user contribution volume | Tim Laqua |
| Data Transfer | 1.7.1 | GPL-2.0-or-later | Allows for importing and exporting data contained in template calls | Yaron Koren and others |
| Echo | – (709978d) 04:56, 7 April 2026 | MIT | System for notifying users about events and messages | Andrew Garrett, Ryan Kaldari, Benny Situ, Luke Welling, Kunal Mehta, Moriel Schottlender, Jon Robson and Roan Kattouw |
| FileImporter | – (2ee2744) 05:15, 31 March 2026 | GPL-2.0-or-later | Easy importing of files from other sites | Wikimedia Deutschland Technical Wishes Team, Addshore, Andrew Kostka, Christoph Jauera and Thiemo Kreuz |
| Flagged Revisions | – (e1eade6) 05:15, 31 March 2026 | GPL-2.0-or-later | Gives Editors the ability to review revisions and stabilize pages | Aaron Schulz and Joerg Baach |
| Flex Diagrams | 0.9 (edda16e) | GPL-2.0-or-later | Editing and creation of diagrams | Yaron Koren and Sahaj Khandelwal |
| Interwiki | 3.2 (8e4f2f8) 09:42, 1 April 2026 | GPL-2.0-or-later | Adds a special page to view and edit the interwiki table | Stephanie Amanda Stevens, Alexandre Emsenhuber, Robin Pepermans, Siebrand Mazeland, Platonides, Raimond Spekking, Sam Reed, Jack Phoenix, Calimonius the Estrange and others |
| Linter | – (4ee9f63) 04:57, 7 April 2026 | GPL-2.0-or-later | Track lint errors from an external service and show them to users | Kunal Mehta, Arlo Breault and Subramanya Sastry |
| MassMessage | 0.5.0 (3154f38) 05:16, 31 March 2026 | GPL-2.0-or-later | Allows users to easily send a message to a list of users | Kunal Mehta and wctaiwan |
| Newest Pages | 1.22 (124f7e1) 05:16, 31 March 2026 | GPL-2.0-or-later | Shows the last X pages added to the wiki | Rob Church |
| Nuke | – (eaf620b) 05:16, 31 March 2026 | GPL-2.0-or-later | Gives administrators the ability to mass delete pages | Brion Vibber and Jeroen De Dauw |
| Page Exchange | 0.6.1 (c030bc9) | GPL-2.0-or-later | Allows for installing "packages" of pre-defined wiki pages | Yaron Koren |
| Page Forms | 6.0.5 | GPL-2.0-or-later | Forms for creating and editing wiki pages | Yaron Koren, Stephan Gambke and others |
| PageTriage | – (3b7ff55) 04:57, 7 April 2026 | MIT | Facilitates reviewing and approving new pages | Ryan Kaldari, Benny Situ, Ian Baker, Andrew Garrett and DannyS712 |
| Renameuser | – (71e267a) 12:16, 23 November 2025 | GPL-2.0-or-later | Renameuser compatibility stub | Ævar Arnfjörð Bjarmason and Aaron Schulz |
| Replace Text | 1.8 (5678161) 05:17, 31 March 2026 | GPL-2.0-or-later | Provides a special page to allow administrators to do a global string find-and-replace on all the content pages of a wiki | Yaron Koren, Niklas Laxström and others |
| TemplateSandbox | 1.1.0 (5f10d24) 05:17, 31 March 2026 | GPL-2.0-or-later | Renders a page transcluding templates from a sandbox | Brad Jorsch |
| Translate | 2024-07-16 (50bfe29) 04:58, 7 April 2026 | GPL-2.0-or-later | Special page for translating MediaWiki and beyond | Niklas Laxström, Siebrand Mazeland, Santhosh Thottingal, Amir E. Aharoni, Abijeet Patro and others |
| UserMerge | 1.10.2 (c4d82f0) 08:35, 3 April 2026 | GPL-2.0-or-later | Merges references from one user to another user in the wiki database - will also delete old users following merge. Requires usermerge privileges | Tim Laqua, Thomas Gries and Matthew April |
| WhoIsWatching | 0.13.0 (2940db7) 09:54, 3 April 2026 | GPL-2.0-only | Provides a listing of usernames watching a wiki page | Paul Grinberg, Siebrand Mazeland, Vitaliy Filippov and Mark A. Hershberger |
| WhosOnline | 1.8.0 (d293d77) 05:18, 31 March 2026 | GPL-2.0-or-later | Displays a list of logged-in and anonymous users currently online | Maciej Brencz and Maciej Błaszkowski |
Parser hooks| Extension | Version | License | Description | Authors |
|---|
| Babel | – (b0667d7) 05:13, 31 March 2026 | GPL-2.0-or-later | Adds the #babel parser function to allow automated generation of a babel userbox column with the ability to include custom templates | Robert Leverington, Thiemo Kreuz, Kunal Mehta, Nikerabbit, Amir Aharoni and Ricordisamoa |
| CategoryTree | – (51060d2) 02:15, 31 March 2026 | GPL-2.0-or-later | Dynamically navigate the category structure | Daniel Kinzler |
| CharInsert | – (919fc73) 02:39, 31 March 2026 | GPL-2.0-or-later | Allows creation of JavaScript box for inserting non-standard characters | Brion Vibber |
| Chart | – (22e6806) 04:56, 7 April 2026 | GPL-3.0-or-later | Adds the {{#chart:}} parser function for displaying charts | Brooke Vibber, Katie Filbert and Roan Kattouw |
| Cite | – (e40eb9a) 04:56, 7 April 2026 | 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 |
| CountDownClock | 1.0.0 (b124e33) 06:18, 31 March 2026 | GPL-2.0-or-later | Adds a parser function to show a count down time | Indic-TechCom |
| CSS | 3.5.0 (40e2aef) 00:44, 31 March 2026 | GPL-2.0-or-later | A parser function that allows CSS stylesheets to be included in specific pages | Aran Dunkley and Rusty Burchfield |
| DisplayTitle | 4.1.0 (838cd90) 04:56, 7 April 2026 | MIT | Uses displaytitle page property in link text, subtitle, and talk page title; provides parser function to query displaytitle | Cindy Cicalese and Tobias Oetterer |
| DrawioEditor | 3.1.0-alpha (2b767c6) 11:32, 7 April 2026 | GPL-3.0-only | draw.io flow chart creation and inline editing | Markus Gebert, Hallo Welt! GmbH and Hamish Slater |
| DynamicPageList | 1.7.0 (c654ce9) 05:18, 31 March 2026 | GPL-2.0-or-later | Outputs a bulleted list of the most recent items residing in a category, or an intersection of several categories | Amgine and IlyaHaykinson |
| DynamicPageList3 | 3.6.4 (db57791) | GPL-3.0-or-later | A highly flexible report generator for MediaWikis | Universal Omega, Alexia E. Smith and Gero Scholz |
| EasyTimeline | – (aa17a97) 02:13, 29 March 2026 | GPL-2.0-only | Adds <timeline> tag to create timelines | Erik Zachte |
| EmbedVideo | 4.0.0 (610cffa) | 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 |
| Graph | – (6f57bb7) 06:42, 23 September 2025 | MIT | Allows <graph> tags or entire pages to become Vega-based graphs | Dan Andreescu, Yuri Astrakhan and Frédéric Bolduc |
| ImageMap | – (344a1d5) 07:48, 1 April 2026 | GPL-2.0-or-later | Allows client-side clickable image maps using <imagemap> tag | Tim Starling and Arlo Breault |
| InputBox | 0.3.0 (9144427) 05:16, 31 March 2026 | MIT | Allow inclusion of predefined HTML forms | Erik Moeller, Leonardo Pimenta, Rob Church, Trevor Parscal and DaSch |
| Javascript Slideshow | 2.0.0 (62e5de2) | GPL-3.0-or-later | Create a slideshow from multiple included div elements | Chris Reigrut, Yaron Koren, DaSch, Alexia E. Smith and Nick White |
| LabeledSectionTransclusion | – (1670c27) 04:57, 7 April 2026 | GPL-2.0-or-later | Adds #lst and #lstx functions and <section> tag, enables marked sections of text to be transcluded | Steve Sanbeg |
| Loops | 1.0.0-beta (6c5dbfe) 22:04, 1 April 2026 | GPL-2.0-or-later | Parser functions for performing loops | David M. Sledge and Daniel Werner |
| MagicNoCache | 1.6.0 (8126f81) 22:34, 1 April 2026 | GPL-2.0-or-later | Adds the __NOCACHE__ magic word to disable caching on a page | Kimon Andreou, Pavel Astakhov and others |
| Maps | 11.0.1 | GPL-2.0-or-later | Allows embedding of dynamic maps into wiki pages using Google Maps or Leaflet. Has a visual editor, optionally integrates with Semantic MediaWiki, supports GeoJSON and adds geocoding capabilities. | Jeroen De Dauw and Professional Wiki |
| Math | – (e8b00e6) 04:57, 7 April 2026 | GPL-2.0-or-later | Render mathematical formulas between <math> ... </math> tags | Tomasz Wegrzanowski, Brion Vibber, Moritz Schubotz, Derk-Jan Hartman, André Greiner-Petter and Johannes Stegmüller |
| Mermaid | 6.0.2 | GPL-2.0-or-later | Provides a parser function to help generate diagrams and flowcharts using the mermaid script language | James Hong Kong and Tyler Gibson |
| NumerAlpha | 0.7.0 (b51b3e7) 06:49, 2 April 2026 | Unlicense | Provides methods of inserting incrementing numbers, letters and roman numerals | Thierry G. Veilleux, James Montalvo, Emanspeaks and others |
| PageAssessments | 1.1.0 (32aa028) 05:16, 31 March 2026 | GPL-2.0-or-later | This extension is for storing page assessments in a database table with the help of a parser function | Niharika Kohli, Frances Hocutt, Ryan Kaldari and Sam Wilson |
| ParserFunctions | 1.6.1 (15d9202) 04:57, 7 April 2026 | GPL-2.0-or-later | Enhance parser with logical functions | Tim Starling, Robert Rohde, Ross McClure and Juraj Simlovic |
| Phonos | 0.1.0 (7e83911) 14:02, 2 April 2026 | GPL-2.0-or-later | Provide text-to-speech functionality for a range of languages | Wikimedia Community Tech Team |
| Poem | – (1066c63) 15:03, 2 April 2026 | CC0-1.0 | Adds <poem> tag for poem formatting | Nikola Smolenski, Brion Vibber and Steve Sanbeg |
| Quiz | 1.2.1 (dfae286) 21:50, 2 April 2026 | GPL-2.0-or-later | Allows creation of quizzes | Louis-Rémi Babe |
| RegularTooltips | 1.0.0 (3035ee3) 23:18, 2 April 2026 | | Provides inline tooltips and popup-based tooltips | Sanjay Thiyagarajan |
| Score | 0.3.0 (b75152e) 04:58, 7 April 2026 | GPL-3.0-or-later | Adds a tag for rendering musical scores with LilyPond | Alexander Klauer and Étienne Beaulé |
| Scribunto | – (b6cadb2) 04:58, 7 April 2026 | GPL-2.0-or-later AND MIT | Framework for embedding scripting languages into MediaWiki pages | Victor Vasiliev, Tim Starling and Brad Jorsch |
| SyntaxHighlight | 2.0 (6ea7a06) 05:58, 3 April 2026 | GPL-2.0-or-later | Provides syntax highlighting <syntaxhighlight> using Pygments - Python syntax highlighter | Brion Vibber, Tim Starling, Rob Church, Niklas Laxström, Ori Livneh and Ed Sanders |
| TemplateData | 0.1.2 (4942d4f) 04:58, 7 April 2026 | 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 and others |
| TemplateStyles | 1.0 (69c28f8) 06:18, 3 April 2026 | GPL-2.0-or-later | Implement per-template style sheets | Brad Jorsch and Marc A. Pelletier |
| VoteNY | 3.2 (9c2dc6a) 09:12, 3 April 2026 | GPL-2.0-or-later | JavaScript-based voting with the <vote> tag | Aaron Wright, David Pean and Jack Phoenix |
| Widgets | 1.6.0 (5991fa2) 09:57, 3 April 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 |
Other| Extension | Version | License | Description | Authors |
|---|
| AdvancedSearch | – (fb8012b) 04:55, 7 April 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 |
| BetaFeatures | 0.1 (9d6f375) 04:55, 7 April 2026 | GPL-2.0-or-later | Lets user enable or disable features on the wiki that are still not ready for prime-time | MarkTraceur (Mark Holmquist) and others |
| Bootstrap | 5.0.0 | GPL-3.0-or-later | Provides the Bootstrap framework in the wiki | Stephan Gambke, Professional.Wiki and James Hong Kong |
| CirrusSearch | – (232f5a2) 04:16, 9 April 2026 | GPL-2.0-or-later | Elasticsearch-powered search for MediaWiki | Nik Everett, Chad Horohoe, Erik Bernhardson and others |
| Citoid | 0.3.0 (62f8ecc) 05:14, 31 March 2026 | MIT | Provides access points between the citoid service and MediaWiki | Marielle Volz, Moriel Schottlender, Ed Sanders and others |
| CLDR | 4.15.0 (951fe18) 01:26, 29 March 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 |
| Clean Changes | 2024-07-16 (73e7b68) 04:27, 31 March 2026 | GPL-2.0-or-later | More compact display of the recent changes list | Niklas Laxström |
| CollapsibleVector | 0.1.12 (9640e8a) 05:05, 31 March 2026 | GPL-2.0-or-later | Enhances the user interface when using the Vector skin | Paladox |
| CommonsMetadata | – (c0d0273) 05:27, 31 March 2026 | GPL-2.0-or-later | Extends the "extmetadata" property of the image information API module to include information stored in image description pages that use the templates commonly used on Wikimedia Commons | Brian Wolff |
| Disambiguator | 1.4 (457ea4d) 04:56, 7 April 2026 | MIT | Adds the tag __DISAMBIG__ to mark disambiguation pages | Ryan Kaldari |
| Discussion tools | 0.0.0 (3cc3826) 04:56, 7 April 2026 | MIT | Tools to enhance discussion pages. | |
| Elastica | 6.2.0 (be8d671) 15:39, 31 March 2026 | GPL-2.0-or-later | Base Elasticsearch functionality for other extensions by providing Elastica library | Nik Everett and Chad Horohoe |
| ElectronPdfService | – (3e8eb6c) 16:38, 31 March 2026 | GPL-2.0-or-later | Adds browser based PDF rendering support through Electron PDF service | Wikimedia Deutschland Technical Wishes Team, Tobias Gritschacher, Addshore and Christoph Jauera |
| External Content | 2.0.1 | GPL-2.0-or-later | Allows embedding external content, such as markdown files, in your wiki pages | Jeroen De Dauw and Professional.Wiki |
| ExternalGuidance | 1.0.0 (f0e8018) 05:15, 31 March 2026 | GPL-2.0-or-later | Wikipedia content gets exposed externally in different ways, and this project intends to make it easy for people to be able to return to the origin and contribute to it. | Santhosh Thottingal and others |
| FileExporter | – (04628a2) 22:30, 31 March 2026 | GPL-2.0-or-later | Easy exporting of files to another wiki | Wikimedia Deutschland Technical Wishes Team, Addshore, Andrew Kostka, Christoph Jauera and Thiemo Kreuz |
| FilterSpecialPages | 3.1.0-alpha (b0f4455) 03:18, 1 April 2026 | GPL-3.0+ | Inserts a field to filter entries in Special:SpecialPages. | Hallo Welt! GmbH and Leonid Verhovskij |
| Flow | 1.2.0 (c631d54) 05:15, 31 March 2026 | GPL-2.0-or-later | Discussion system | Erik Bernhardson, Stephane Bisson, Matthew Flaschen, Andrew Garrett, Shahyar Ghobadpour, Pau Giner, Roan Kattouw, Chris McMahon, Kunal Mehta, Matthias Mullie, S Page, Jon Robson, Moriel Schottlender, Benny Situ and Volker E. |
| FontAwesome | 2.0.0 | GPL-3.0-or-later | Provides the FontAwesome icon fonts in the wiki | Stephan Gambke and Professional Wiki |
| Gadgets | – (5d97faf) 04:57, 7 April 2026 | 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 |
| JSBreadCrumbs | 1.1.2 (c8effd8) 14:01, 1 April 2026 | GPL-2.0-or-later | Adds a trail of bread crumbs below the tab bar | Ryan Lane, Cindy Cicalese, Kevin Forbes and others |
| JsonConfig | 1.2.0 (0be5d7b) 04:57, 7 April 2026 | GPL-2.0-or-later | Allows JSON configuration to be stored in a wiki | Yuri Astrakhan and Eranroz |
| LinkTarget | 0.2 (5679fe2) 21:16, 1 April 2026 | GPL-2.0-or-later | Adds a target attribute to specified links | Ike Hecht |
| Lockdown | – (d72713e) 21:45, 1 April 2026 | GPL-2.0-or-later | Per namespace group permissions | Daniel Kinzler, Platonides, Mark A. Hershberger and others |
| LoginNotify | 0.1 (4f3f911) 21:52, 1 April 2026 | MIT | Notify users about suspicious logins from unfamiliar devices and/or IP addresses | Brian Wolff |
| MobileApp | – (ef691c4) 05:16, 31 March 2026 | GPL-2.0-or-later | Serves styles and scripts for use in the Wikimedia Mobile applications | Yuvi Panda |
| MobileFrontend | 2.4.1 (e048256) 04:57, 7 April 2026 | GPL-2.0-or-later | Helps improve the mobile presence of a MediaWiki instance | Patrick Reilly, Max Semenik, Jon Robson, Arthur Richards, Brion Vibber, Juliusz Gonera, Ryan Kaldari, Florian Schmidt, Rob Moen, Sam Smith and others |
| MultiBoilerplate | 2.2.0 (9f2cffc) 03:10, 2 April 2026 | GPL-2.0-or-later | Allows a boilerplate to be selected from a drop down box located above the edit form when editing pages | Robert Leverington, Al Maghi, Dror S. [FFS] (Kol-Zchut) and Jhf2442 |
| MultimediaViewer | – (11f08d9) 04:57, 7 April 2026 | 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 and others |
| NamespaceManager | 0.2 (9e22fab) | GPL-3.0+ | Provide a special page to handle namespaces. | Mark A. Hershberger |
| NamespacePreload | 1.2.0 (e7165b3) | GPL-2.0-or-later | Preloads templates on new pages based on their namespace. | Ostrzyciel |
| OpenID Connect | 8.3.0 (b45e255) 07:41, 2 April 2026 | MIT | Provides authentication using OpenID Connect in conjunction with PluggableAuth | Cindy Cicalese |
| PageNotice | – (e197ab4) 10:44, 2 April 2026 | GPL-2.0-or-later | Lets you define a fixed header or footer message for each namespace or individual page | Daniel Kinzler |
| PageViewInfo | – (d950a37) 12:40, 2 April 2026 | GPL-3.0-or-later | Adds page view information to the info action | Kunal Mehta and Gergő Tisza |
| Parsoid | – | GPL-2.0-or-later | The Parsoid extension enables the REST API for Parsoid. This is needed to support VisualEditor. | |
| PluggableAuth | 7.5.0 (790b476) 14:38, 2 April 2026 | MIT | Provides framework for pluggable authentication and authorization | Cindy Cicalese |
| PreToClip | 3.0.0-alpha (0c6bc7d) | GPL-3.0-only | Allows to copy contents of PRE tags into the clipboard | Hallo Welt! GmbH and Łukasz Paszke |
| ReadingLists | 0.1.0 (c4963f2) 04:58, 7 April 2026 | GPL-2.0-or-later | Allows users to manage private lists of articles, such as bookmarks or "Read Later" lists. | Gergő Tisza |
| RealMe | – (ec14970) 23:01, 2 April 2026 | GPL-2.0-or-later | Allows verifying URLs used on user pages. | Taavi Väänänen |
| RevisionSlider | – (0a51bc3) 00:35, 3 April 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 |
| SandboxLink | – (85d51c4) 01:07, 3 April 2026 | MIT | Adds a link to user's personal sandbox to personal tools menu | Bartosz Dziewoński |
| TemplateWizard | 0.1.0 (19dd5b0) 05:32, 24 March 2026 | MIT | A WikiEditor add-on that provides a template-insertion wizard | Sam Wilson |
| Thanks | 1.2.0 (cf11ac6) 04:58, 7 April 2026 | MIT | Adds links for thanking users for edits, comments, etc. | Ryan Kaldari, Benjamin Chen and Wctaiwan |
| TrustedXFF | 2.0.0 (f718ee1) 07:43, 3 April 2026 | GPL-2.0-or-later | Handling of a list of trusted proxy addresses (XFF project) | Tim Starling and Sam Reed |
| TwoColConflict | – (b65ed3c) 04:58, 7 April 2026 | GPL-2.0-or-later | Showing a side-by-side edit merge screen for edit conflict resolution | Wikimedia Deutschland Technical Wishes Team, Christoph Jauera, Addshore, Andrew Kostka, Thiemo Kreuz and Adam Wight |
| UniversalLanguageSelector | 2024-07-16 (2442f1c) 04:58, 7 April 2026 | GPL-2.0-or-later OR MIT | Gives the user several ways to select a language and to adjust language settings | Alolita Sharma, Amir Aharoni, Arun Ganesh, Brandon Harris, Kartik Mistry, Niharika Kohli, Niklas Laxström, Pau Giner, Santhosh Thottingal, Siebrand Mazeland and others |
| Upload Wizard | 1.5.0 (9bb33fb) 05:18, 31 March 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 |
| UploadsLink | – (5010796) 05:18, 31 March 2026 | MIT | Adds a link to the current user's uploads listing to the personal tools menu and a link to the relevant user's upload listing to the sidebar Tools menu | Bartosz Dziewoński and Rainer Rillke |
| Validator | 2.2.5 (25d2b0e) | GPL-2.0-or-later | Declarative parameter processing library | Jeroen De Dauw and Professional.Wiki |
| VEForAll | 0.5.2 (490adaf) 08:54, 3 April 2026 | GPL-2.0-or-later | A library for extensions to add VisualEditor | Pierre Boutet, Clément Flipo, Ike Hecht, Yaron Koren and Cindy Cicalese |
| WikiLove | 1.3.1 (70eac40) 04:58, 7 April 2026 | MIT | Adds an interface for facilitating positive user feedback to user talk pages | Ryan Kaldari, Jan Paul Posma, Sam Reed and others |
| Library | Version | License | Description | Authors |
|---|
| composer/installers | 2.3.0 | MIT | A multi-framework Composer library installer | Kyle Robinson Young |
| composer/pcre | 3.3.2 | MIT | PCRE wrapping library that offers type-safe preg_* replacements. | Jordi Boggiano |
| composer/semver | 3.4.3 | MIT | Semver library that offers utilities, version constraint parsing and validation. | Nils Adermann, Jordi Boggiano and Rob Bast |
| data-values/common | 1.2.0 | GPL-2.0-or-later | Contains common implementations of the interfaces defined by DataValuesInterfaces | Jeroen De Dauw |
| data-values/data-values | 3.1.1 | GPL-2.0-or-later | Defines the DataValue interface and some trivial implementations | Jeroen De Dauw |
| data-values/geo | 4.6.0 | GPL-2.0-or-later | Geographical value objects, parsers and formatters | Jeroen De Dauw and The Wikidata team |
| data-values/interfaces | 1.2.0 | GPL-2.0-or-later | Defines interfaces for ValueParsers, ValueFormatters and ValueValidators | Jeroen De Dauw |
| data-values/validators | 1.0.0 | GPL-2.0-or-later | Common ValueValidator implementations | Jeroen De Dauw and The Wikidata team |
| elasticsearch/elasticsearch | 7.17.3 | Apache-2.0 and LGPL-2.1-only | PHP Client for Elasticsearch | Zachary Tong and Enrico Zimuel |
| 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 |
| ezyang/htmlpurifier | 4.19.0 | LGPL-2.1-or-later | Standards compliant HTML filter written in PHP | Edward Z. Yang |
| firebase/php-jwt | 7.0.5 | 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 | 7.10.0 | 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 | 2.3.0 | MIT | Guzzle promises library | Graham Campbell, Michael Dowling, Tobias Nyholm and Tobias Schultze |
| guzzlehttp/psr7 | 2.9.0 | 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 |
| james-heinrich/getid3 | 1.9.25 | GPL-1.0-or-later, LGPL-3.0-only and MPL-2.0 | PHP script that extracts useful information from popular multimedia file formats | |
| jeroen/batching-iterator | 3.0.0 | GPL-2.0+ | Iterator that fetches values in batch | Jeroen De Dauw |
| jeroen/file-fetcher | 6.1.1 | BSD-3-Clause | Simple file fetching interface | Jeroen De Dauw |
| jeroen/file-fetcher-cache | 1.0.1 | GPL-2.0-or-later | Provides a SimpleCache (PSR-16) decorator for file fetchers | Jeroen De Dauw |
| jeroen/simple-cache | 2.0.0 | GPL-2.0+ | Small library defining a minimalistic caching interface and provides some basic implementations | Jeroen De Dauw |
| jeroen/simple-geocoder | 1.3.1 | GPL-2.0-or-later | Simple and minimalistic Geocoder interface with some basic implementations | Jeroen De Dauw |
| jmikola/geojson | 1.2.0 | MIT | GeoJSON implementation for PHP | Jeremy Mikola |
| jumbojett/openid-connect-php | 1.0.2 | Apache-2.0 | Bare-bones OpenID Connect client | |
| justinrainbow/json-schema | 5.3.1 | MIT | A library to validate a json schema. | Bruno Prieto Reis, Justin Rainbow, Igor Wiedler and Robert Schönthal |
| liuggio/statsd-php-client | 1.0.18 | MIT | Statsd (Object Oriented) client library for PHP | Giulio De Donato |
| maennchen/zipstream-php | 3.2.1 | MIT | ZipStream is a library for dynamically streaming dynamic zip files from PHP without writing to the disk at all on the server. | Paul Duncan, Jonatan Männchen, Jesse Donat and András Kolesár |
| markbaker/complex | 3.0.2 | MIT | PHP Class for working with complex numbers | Mark Baker |
| markbaker/matrix | 3.0.1 | MIT | PHP Class for working with matrices | Mark Baker |
| mck89/peast | 1.17.4 | BSD-3-Clause | Peast is PHP library that generates AST for JavaScript code | Marco Marchiò |
| mediawiki/http-request | 2.0.0 | GPL-2.0-or-later | A minimalistic http/curl request interface library | James Hong Kong |
| mediawiki/parser-hooks | 1.6.1 | GPL-2.0-or-later | Adds a OOP and declarative parser hook interface on top of MediaWiki | Jeroen De Dauw |
| mediawiki/scss | 4.0.0 | GPL-3.0-or-later | Allows using SCSS files for MediaWiki styling | Stephan Gambke and Professional.Wiki |
| michelf/php-markdown | 1.9.1 | BSD-3-Clause | PHP Markdown | Michel Fortin and John Gruber |
| monolog/monolog | 2.9.3 | MIT | Sends your logs to files, sockets, inboxes, databases and various web services | Jordi Boggiano |
| mustangostang/spyc | 0.6.3 | MIT | A simple YAML loader/dumper class for PHP | mustangostang |
| mwstake/mediawiki-component-alertbanners | 2.0.7 | GPL-3.0-only | Provides an API for showing banners above the content of a page | HalloWelt! GmbH |
| mwstake/mediawiki-component-commonuserinterface | 4.0.2 | GPL-3.0-only | Provides common user interface elements and customizeable stylings | HalloWelt! GmbH |
| mwstake/mediawiki-component-contentprovisioner | 2.1.8 | GPL-3.0-only | Provides classes and services to import content into MediaWiki | HalloWelt! GmbH |
| mwstake/mediawiki-component-formengine | 2.0.23 | GPL-3.0-only | | Hallo Welt! GmbH |
| mwstake/mediawiki-component-generictaghandler | 2.0.0 | GPL-3.0-only | Provides a generic tag handler interface for MediaWiki | Hallo Welt! GmbH |
| mwstake/mediawiki-component-inputprocessor | 1.1.4 | GPL-3.0-only | | HalloWelt! GmbH |
| mwstake/mediawiki-component-manifestregistry | 2.1.4 | GPL-3.0-only | Provides classes and services to interact with registries in MediaWiki manifests | HalloWelt! GmbH |
| mwstake/mediawiki-component-notifications | 2.0.4 | GPL-3.0-only | Provides common user interface elements and customizeable stylings | HalloWelt! GmbH |
| mwstake/mediawiki-component-runjobstrigger | 1.0.4 | GPL-3.0-only | Provides background tasks infrastructure based on MediaWikis `maintenance/runJobs.php` | BlueSpice |
| mwstake/mediawiki-component-thirdpartyresources | 1.0.1 | GPL-3.0-only | Provides ResourceLoader module definitions that allow for inclusion of third-party pre-compiled resources (JS/CSS) | BlueSpice |
| mwstake/mediawiki-component-utils | 1.0.2 | GPL-3.0-only | | BlueSpice |
| mwstake/mediawiki-component-wikitext | 6.0.4 | GPL-3.0-only | Provides wikitext handling and tree parsing | HalloWelt! GmbH |
| mwstake/mediawiki-componentloader | 1.0.1 | GPL-3.0-only | Required for proper initialization of MWStake components | HalloWelt! GmbH |
| mwstake/mediawiki-lib-nodes | 1.0.11 | GPL-3.0-only | Provides an infrastructure to tokenize content into nodes | HalloWelt! GmbH |
| nicmart/tree | 0.4.0 | MIT | A basic but flexible php tree data structure and a fluent tree builder implementation. | Nicolò Martini |
| nyholm/dsn | 2.0.1 | MIT | Parse your DSN strings in a powerful and flexible way | Tobias Nyholm |
| onoi/blob-store | 1.2.1 | GPL-2.0+ | A simple interface to manage schema-free temporal persistent key/values | mwjames |
| onoi/cache | 1.2.0 | GPL-2.0+ | A minimalistic cache adapter interface library | mwjames |
| onoi/callback-container | 2.0.0 | GPL-2.0+ | A very simple callback container/builder library | mwjames |
| onoi/event-dispatcher | 1.1.0 | GPL-2.0-or-later | A minimalistic interface to relay generic events to registered listeners | James Hong Kong |
| onoi/message-reporter | 1.4.2 | GPL-2.0-or-later | An interface to report and relay arbitrary messages to registered handlers | Jeroen De Dauw and James Hong Kong |
| oojs/oojs-ui | 0.51.2 | 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 |
| paragonie/random_compat | 9.99.100 | MIT | PHP 5.x polyfill for random_bytes() and random_int() from PHP 7 | Paragon Initiative Enterprises |
| param-processor/param-processor | 1.12.0 | GPL-2.0-or-later | Parameter processing library | Jeroen De Dauw |
| 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 |
| phpoffice/phpspreadsheet | 1.30.2 | MIT | PHPSpreadsheet - Read, Create and Write Spreadsheet documents in PHP - Spreadsheet engine | Maarten Balliauw, Mark Baker, Franck Lefevre, Erik Tilt, Adrien Crivelli and Owen Leibman |
| phpseclib/phpseclib | 3.0.50 | MIT | PHP Secure Communications Library - Pure-PHP implementations of RSA, AES, SSH2, SFTP, X.509 etc. | Jim Wigginton, Patrick Monnerat, Andreas Fischer, Hans-Jürgen Petrich and Graham Campbell |
| pimple/pimple | 3.5.0 | MIT | Pimple, a simple Dependency Injection Container | Fabien Potencier |
| psr/container | 1.1.2 | MIT | Common Container Interface (PHP FIG PSR-11) | 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 | 1.1 | MIT | Common interface for HTTP messages | PHP-FIG |
| psr/log | 1.1.4 | MIT | Common interface for logging libraries | PHP-FIG |
| psr/simple-cache | 1.0.1 | MIT | Common interfaces for simple caching | 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 | 7.3.1 | MIT | Elasticsearch Client | Nicolas Ruflin |
| scssphp/scssphp | 1.13.0 | MIT | scssphp is a compiler for SCSS written in PHP. | Anthon Pang and Cédric Morin |
| seld/jsonlint | 1.11.0 | MIT | JSON Linter | Jordi Boggiano |
| serialization/serialization | 4.1.0 | GPL-2.0-or-later | Library defining a Serializer and a Deserializer interface and basic utilities | Jeroen De Dauw |
| smarty/smarty | 4.5.6 | LGPL-3.0 | Smarty - the compiling PHP template engine | Monte Ohrt, Uwe Tews, Rodney Rehm and Simon Wisselink |
| symfony/css-selector | 5.4.45 | MIT | Converts CSS selectors to XPath expressions | Fabien Potencier, Jean-François Simon 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 | 1.33.0 | MIT | Symfony polyfill backporting some PHP 7.3+ features to lower PHP versions | Nicolas Grekas and Symfony Community |
| symfony/polyfill-php82 | 1.31.0 | MIT | Symfony polyfill backporting some PHP 8.2+ features to lower PHP versions | Nicolas Grekas and Symfony Community |
| symfony/polyfill-php83 | 1.31.0 | MIT | Symfony polyfill backporting some PHP 8.3+ features to lower PHP versions | Nicolas Grekas and Symfony Community |
| symfony/polyfill-php84 | 1.32.0 | MIT | Symfony polyfill backporting some PHP 8.4+ features to lower PHP versions | Nicolas Grekas and Symfony Community |
| symfony/polyfill-php85 | 1.33.0 | MIT | Symfony polyfill backporting some PHP 8.5+ features to lower PHP versions | Nicolas Grekas and Symfony Community |
| symfony/yaml | 5.4.45 | MIT | Loads and dumps YAML files | Fabien Potencier and Symfony Community |
| 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 | 2.0.0 | 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 | 3.0.0 | GPL-2.0-or-later | Evaluates plural rules specified in the CLDR project notation. | Tim Starling and Niklas Laxström |
| wikimedia/common-passwords | 0.5.0 | 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 | 5.5.0 | 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/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 | 5.0.0 | 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/less.php | 5.5.0 | 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 | 2.9.0 | Apache-2.0 | Minification of JavaScript code and CSS stylesheets. | Paul Copperman, Trevor Parscal, Timo Tijhof and Roan Kattouw |
| wikimedia/normalized-exception | 2.0.0 | MIT | A helper for making exceptions play nice with PSR-3 logging | Gergő Tisza |
| wikimedia/object-factory | 5.0.1 | GPL-2.0-or-later | Construct objects from configuration instructions | Bryan Davis |
| wikimedia/parsoid | 0.20.7 | 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 | 3.0.0 | 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 | 4.0.1 | MIT | Work with file paths to join or find the relative path | Ori Livneh |
| wikimedia/remex-html | 4.1.2 | MIT | Fast HTML 5 parser | Tim Starling |
| wikimedia/request-timeout | 2.0.0 | MIT | Request timeout library for Excimer with plain PHP fallback | Tim Starling |
| wikimedia/running-stat | 2.1.0 | 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 | 4.1.1 | 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 | 4.1.1 | 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 | 4.0.2 | MIT | Parser generator for JavaScript and PHP | |
| wikimedia/wrappedstring | 4.0.1 | MIT | Automatically compact sequentially-outputted strings that share a common prefix / suffix pair. | Timo Tijhof |
| wikimedia/xmp-reader | 0.10.2 | 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 |
| willdurand/geocoder | 4.6.0 | MIT | Common files for PHP Geocoder | William Durand |
| 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 | 1.3.1-0dda851 | 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 |
| 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 | 1.32.7 | BSD-3-Clause | Ace authors – https://ace.c9.io/ | CodeEditor |
| codemirror | 5.65.15 | MIT | CodeMirror authors | CodeMirror |
| codex-design-tokens | 1.14.0 | GPL-2.0+ | Design System team, Wikimedia Foundation | MediaWiki |
| codex-icons | 1.14.0 | MIT | Design System team, Wikimedia Foundation | MediaWiki |
| codex | 1.14.0 | GPL-2.0+ | Design System team, Wikimedia Foundation | MediaWiki |
| fetch-polyfill | 3.6.2 | MIT | GitHub, Inc. | MediaWiki |
| fullcalendar | 3.9.0 | MIT | Adam Shaw | PageForms |
| intersection-observer | 0.12.0 | Apache-2.0 | Philip Walton | MediaWiki |
| jquery.browser | 0.1.0 | MIT | Gabriel Cebrian, jQuery Team | PageForms |
| 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.mousewheel | 3.1.13 | MIT | Brandon Aaron and other contributors | PageForms |
| jquery.rateyo | 2.3.2 | MIT | Prashanth Pamidi and other contributors | PageForms |
| jquery.ui | 1.9.2 | MIT | OpenJS Foundation and other contributors | MediaWiki |
| jquery | 3.7.1 | MIT | OpenJS Foundation and other contributors | MediaWiki |
| jsdifflib | 1 | BSD-3-Clause | Snowtide Informatics Systems, Inc. | VisualEditor |
| jspreadsheet | 4.6.0 | MIT | Jspreadsheet Team | PageForms |
| jstree | 3.3.10 | MIT | Ivan Bozhanov | PageForms |
| jsuites | 3.5.4 | MIT | jSuites Team | PageForms |
| leaflet | 1.1.0 | BSD-2-Clause | Vladimir Agafonkin, Jack Dougherty, and other contributors | PageForms |
| mathjax | 3.2.2 | Apache-2.0 | MathJax Consortium | Math |
| moment-timezone | 0.5.27 | MIT | — | DiscussionTools |
| moment | 2.25.2 | MIT | JS Foundation and other contributors | MediaWiki |
| mustache | 4.2.0 | MIT | Michael Jackson, Jan Lehnardt, Phillip Johnsen, and other contributors | MediaWiki |
| ogv.js | 1.9.0 | MIT | Brooke Vibber <bvibber@pobox.com> | TimedMediaHandler |
| oojs | 7.0.1 | MIT | OOjs Team and other contributors | MediaWiki |
| ooui | 0.51.2 | 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 |
| quagga2 | 1.8.2 | MIT | Christoph Oberhofer, Eric Blade and other contributors | Citoid |
| qunitjs | 2.20.0 | MIT | OpenJS Foundation and other contributors | MediaWiki |
| select2 | 4.0.13 | MIT | Kevin Brown and other contributors | PageForms |
| sinonjs | 1.17.7 | BSD-3-Clause | Christian Johansen and other contributors | MediaWiki |
| socket.io-client | 4.4.0 | MIT | Guillermo Rauch and other contributors | VisualEditor |
| sortablejs | 1.8.0-rc1 | MIT | RubaXa and other contributors | PageForms |
| spark-md5 | 3.0.0 | WTFPL OR MIT | André Cruz | VisualEditor |
| url | 3.111.0-0ece79ce32 | MIT | Financial Times | MediaWiki |
| vega | 5.25.0 | BSD-3-Clause | — | Graph |
| video.js | 8.6.2 | Apache-2.0 | Brightcove, Inc. <https://www.brightcove.com/> | TimedMediaHandler |
| vue-demi | 0.14.7 | MIT | Anthony Fu | MediaWiki |
| vue | 3.4.27 | MIT | Yuxi (Evan) You | MediaWiki |
| vuex | 4.0.2 | MIT | Yuxi (Evan) You | MediaWiki |