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

Authoring software available for Windows, Macintosh and Unix platforms. Software includes a player for SMIL.

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

Authoring tool for SMIL 2.0, providing an XML editing environment that manages the proper placement of elements and attributes. SMILGen is written in Python, and is an open source project licensed under the BSD license.

Lots of resources and information on SMIL.

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.

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

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)

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