SWFTools related links:

• swftools examples
  More swfc examples, from Laurent Lalanne.
• qpdf2swf
  A pdf2swf GUI, written by Silvian Cretu.
• scEdit
  A frontend for swfc, written by Laurent Lalanne.
• Penguin Pete's Blog
  A blog about (among others) swfc game programming.
• Jon Hartford's swfc page
  A page about swfc programming.

Flash/SWF related links:

• Flashkit.com
  A board where various aspects of the SWF fileformat are discussed
• SSWF
  A C++ Library and a script language tool to create Flash (SWF) movies.
• Ming
  A library for writing SWF Files, with an exceptionally good ActionCompiler. (Which is also used in SWFTools).
• SVG2SWF
  A Python script for converting SVG into SWF
• GPL Flash Library
  A library/plugin for playing flash files. (Unlike the official plugin, this one's Free Software)
• Flasm
  A flash assembler/disassembler with SWF optimization/updating capabilities.