1)   Joy RingTone Converter 2.97
Joy RingTone Converter enables you to create your own ringtones by converting your MP3, WAVE files and CD tracks to the most common Ringtone format, including MMF, AMR, MP3, MIDI, WAV, AAC and MP4.

 2)   OJOsoft MP4 Converter 2.7.4
It can convert almost any video formats to MPEG-4 standard mainstream formats including MP4, M4V, MOV, MPEG-4, h.264, and also convert MP4 to most popular video/audio formats, including AVI, WMV, MPEG, 3GP, FLV, MOV, ASF, MP3, WMA.

 3)   OJOsoft MP3 to WAV Converter 2.7.4
It can convert MP3 to WAV with super fast speed. Safe to install and free to try.

 4)   RER MP4 Converter 3.7.4
An outstanding and professional video converter for millions of MP4 users to convert almost all popular video files to MP4 format, or MP4 to video. You can convert your video to MP4 (MPEG4) for portable video devices. Easy to use and free download.

 5)   HooTech MP4 MP3 Converter 4.2.1425
MP4 MP3 Converter converts MP4 to MP3 and MP3 to MP4. It is an ALL IN ONE audio converter that supports more than 100 audio and video files, and keeps ID3 tag when converting. The converter supports batch conversion and is full compatible with Vista.