1)   FeedForAll 2.0.2.9
Easily create, edit and publish rss feeds and podcasts. New RSS feeds and podcasts can be quickly and easily created with FeedForAll. Advanced features enable you to create iTunes compatible podcasts. Built-in RSS feed validator verifies feeds.

 2)   FeedForAll Mac 3.0
Create, edit, publish rss feeds, podcasts for iTunes. New RSS feeds and podcasts can be quickly edited or created with FeedForAll Mac. Advanced support includes name space extensions allowing users to make iTunes, Yahoo and Microsoft compatible feeds

 3)   MP3 Speed Changer 2.30
MP3 Speed Changer enables you to speed up audio files - podcasts, audiobooks without changing the pitch. Batch processing feature and easy-to-use interface make MP3 Speed Changer valuable tool for audio listeners and authors who want to save time.

 4)   PodSpew.com Podcast Streamer 1.0
The Podspew.com Podcast Streamer automatically processes podcast XML feeds into instantly playable M3U files. Podspew is completely free of charge.