OggConvert is a free and open-source transcoder for digital audio and video files of various types into the free Ogg Vorbis audio format, and the Theora, VP8 and Dirac video formats. Developed by Tristan Brindle
License: Open Source
Adapter is a user-friendly audio converter that excels in fast conversion speeds and supports various formats, while OggConvert is an open-source tool that offers extensive format support and customization options but may require more technical knowledge.