1)   Feed Writer Deskop RSS Editor 1.5.2
Feed Writer is a professional RSS editor capable of creating and editing RSS feeds. It supports most RSS formats such as RSS 0.91, RSS 0.92, RSS 2.0 and even Podcasts. Additional features: UTF-8 support and integrated (S)FTP client.

 2)   mirabyte Feed Writer 1.0.5
mirabyte Feed Writer is a professional RSS editor capable of creating and editing RSS feeds. It supports most RSS formats such as RSS 0.91, RSS 0.92, RSS 2.0 and even Podcasts. Additional features: UTF-8 support and integrated (S)FTP client.