video tools:
Cuttermaran http://www.videohelp.com/tools?tool=531
VSO Divx to DVD http://www.vso-software.fr/divxtodvd/divxtodvd.htm
DVD2SVCD http://www.dvd2dvd.org/
The FilmMachine http://members.home.nl/thefilmmachine/
D.I.K.O. http://www.vmesquita.com/en/download.htm
FreeEnc http://www.vmesquita.com/en/download.htm
Bitrate calculator http://www.dvdrhelp.com/calc.htm
VCDGear http://www.vcdgear.com/
Gspot http://www.headbands.com/gspot/download.html
Audio tools:
Ffmpeggui http://www.videohelp.com/tools?tool=434
Besweet http://www.free-codecs.com/download/BeSweet.htm
Belight http://corecodec.org/projects/belight/