Ambrosia Wiretap Studio
Aviary Myna: Free audio editing
Gabcast
Audible
Sony Media
Microsoft: open-source podcasting software for SharePoint
Adobe Audition
Windows Sound Recorder
Sound Forge
Propaganda
Sparks! 2.0
ePodcast Producer
Audio Cleaning Lab 10
Odeo
BlogMatrix
PodcastMaker (Mac)
Podcastnetwork
Pod-Serve
Easypodcast
Pod Safe Audio
Podomatic
Cakewalk Home Studio 2 for Windows
WavePad
Vodcaster: create video podcasts on Mac
ToolFactory
PodProducer
Audio Hijack Pro
Mix Cast Live
Panorama
Pinnacle: Podcast Factory
Pinnacle: video descriptions of Podcast Factory
Talkr: converts blogs to podcasts
CastBlaster
Quicktime