1)   Free Music to iPod nano Converter Lite 1.0.7
Free Music to iPod nano Converter Lite is a totally free conversion program. It can help you to convert Music to iPod nano format with fast speed and high quality. With a user-friendly interface, it is easy to use for all its users.

 2)   Free Convert Music 2 iPod nano 1.8.3
Free Convert Music 2 iPod nano is good. First, it's free. Second, it's a professional and easy-to-use program for converting Music to iPod nano fast with wonderful output quality. Third, there is no viruse, malware, etc. Safe to install.