Description:

SWF Tools is a collection of SWF manipulation and generation utilities
written by Rainer Böhme and Matthias Kramm.

Included are:
PDF2SWF - A PDF to SWF Converter.
SWFCombine - A tool for inserting SWFs into Wrapper SWFs. (Templates)
SWFStrings - Scans SWFs for text data.
SWFDump - Prints out various informations about SWFs.
JPEG2SWF - Takes one or more JPEG pictures and generates a SWF slideshow.
PNG2SWF - Like JPEG2SWF, only for PNGs.
WAV2SWF - Converts WAV audio files to SWFs with MP3 Streams, using the
L.A.M.E. MP3 encoder.
AVI2SWF - Converts AVI animation files to SWF. Still Alpha, but some
examples can already be found at examples.html.
SWFExtract - Allows to extract Movieclips, Sounds, Images etc. from SWF files.
RFXSWF - Library A fully featured library which can be used for standalone SWF
generation. Includes support for Bitmaps, Buttons, Shapes, Text,
Fonts, Sound etc.

This is in PLF as it contains an MP3 encoder and might violate some patents.