The official W3C page includes a brief definition and links to latest news, players, authoring tools, getting help and the other information.

The W3C's official technical description of the language, including the document type definition and elements within the language.

XML browser that features an implementation of SMIL 2.0 basic profile.

XML-based language that allows authors to write interactive multimedia presentations, and allows reuse of SMIL syntax and semantics in other XML-based languages, in particular those who need to represent timing and synchronization.

Examples and tutorials with links to the official site and a player.

Beginners information and a brief tutorial on using RealPlayer to create presentations.

Graphics format developed by Real Networks. It allows graphics to be streamed over web as part of Synchronized Multimedia Integration Language (SMIL).

Edit SMIL documents in HTML-Kit using the HKSMIL plugin. Which adds the ability to lookup online help.

Integrates a subset of the SMIL 2.0 specification with XHTML. Includes SMIL 2.0 modules providing support for animation, content control, media objects, timing and synchronization, and transition effects. (W3C Note 31 January 2002)