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NOTE: This document - and ALL of its sub-documents - is no longer maintained because the Web Applications Working Group was closed in October 2015 and its deliverables transferred to the Web Platform Working Group.

The W3C Web Applications (WebApps) Working Group is chartered to create specifications that enable improved client-side application development on the Web, including specifications both for application programming interfaces (APIs) for client-side development and for markup vocabularies for describing and controlling client-side application behavior.

Feedback on our work and chartered deliverables is welcome, via the WG's various Mail Lists and the #webapps channel (logged here) on the W3C IRC server (irc.w3.org, port 6665).

See WebApps' Publication Status page for a list of all of the specs in progress and their publication status.

The group's WorkMode wiki defines how the group actually operates in practice and enumerates various group resources including the mailing lists used for technical discussions.


The group is working on several specifications and all of these specifications are included in Mercurial or CVS as described in the CVS and Mercurial section of WebApps' WorkMode wiki.

Publication Status

See the group's PubStatus page for the latest publication status regarding all of the group's specifications (including those specifications that are now in Maintenance Mode and those specs that are no longer active).


The charter is publicly available. For a historical view of the WebApps WG charter, see the Charter History.


The WG's Testing wiki describes the WG's testing process and included links to various related resources (e.g. the Github repository used for the WG's test suites).


See the group's Meetings Page for information about face-to-face (f2f) meetings and distributed meetings (aka telcons).

Bugs, Issues and Actions Tracking

  • Specs Bugs and Issues: WebApps primarily uses Bugzilla (a few specs use Github for the spec repository and those specs use Github Issues for bug and issue tracking).

Coordination with Other Working Groups

WebApps' specs are relevant to some other W3C Working Groups and external organizations, as documented in WebApps' Charter. Active coordination points are documented in Coordination wiki.


The Web developer community is actively encouraged to participate in the technical discussion on our mailing lists, to provide scenarios and requirements, create tests, and review and comment on our technical specifications. All technical discussion takes place on our public mailing lists or in our occasional meetings.

In addition to general public participation, the WebApps WG consists of representatives from W3C Members and Invited Experts.


For a current list of Members organizations of the WebApps WG, see the participant list (Member-only view).

Invited Experts

Only editors of specifications, or testing leads, are invited to formally join the WebApps WG and asked to commit to Royalty-Free licensing for Intellectual Property (IP). See our policy on Invited Experts for more details.

External Liaisons

  • The WG liaises with ECMA's TC39 for the Web IDL spec