From Agree Software:
Agree Free MP3 to OGG Converter is a powerful audio converter that lets you convert your MP3 files to OGG format quickly and easily. Agree Free MP3 to OGG Converter provides an easy way to convert MP3 audio files to OGG format. The conversion is performed in batch mode, which means that you can easily convert an entire list of audio files to and from AMR with very little effort. All the conversion process is fast and simple, and the output quality is also adjustable. Version 5 may include unspecified updates, enhancements, or bug fixes.