Macromedia Flash - Source and center on the web for Shockwave, multimedia, graphics, and web authoring.
OpenSWF.org - In-depth information, news and tools on the Flash file format (SWF) for Flash developers, C++ programmers and application developers working with the .SWF format on a low level. Includes Flash Software Development Kits (SDK) and complete description of the SWF format's source code and properties.
Flashforward2002 Conferences - Flash conferences and Flash film festivals hold yearly in San Francisco, New York and Europe.
IdN Fresh Conference - The conference aims to inspire, educate and empower participants with new ideas and directions, as well as provide a deeper insight into fast-developing web technology.
Flash Film Festival - Sponsored by the people who put on the FlashForward conferences. This site showcases amazing flash films as well as provides a forum for voting for your favorite Flash artists.
The FlashChallenge - The interactive flash site where you can always find the best flash sites along with reviews and the ability to rate your favorite sites.
Shockwave Rules - Historical description of Shockwave on the Web.