"Power MP3 Joiner is a powerful and ease-to-use audio joiner. It supports MP3, WAV, WMA and OGG formats. With Power MP3 Joiner, you can merge multiple files into one big file. Merge with high precision and no quality is lost! There is a small id3-tag editor built in Power MP3 Joiner, so you can edit the title, artist, album, track, genre, year and comment information of the output merged file. Power MP3 Joiner supports to adopt files' order by ""Up"" and ""Down"" button. It gives you the option of setting the bitrate and frequency of output merged files. You can pre-listen your files before joining with an audio player in Power MP3 Joiner. Merge directly without costing any other disk space. Merging your files is just a button click away. Run stably on Windows 9x/Me/2K/XP/2003."

"Apis RM Music to MP3 & Wav Converter lets you easily to convert Real Audio files(*.ra, *.rm, *.ram ) to MP3 or WAV files, and Extract the Audio from the Real Video files.

Apis RM Music to MP3 & Wav Converter is an easy-to-use tool for converting Real Audio files(*.ra, *.rm, *.ram;*rmvb ) files to wav,mp3 format with CD quality. It alse Extract the Audio from the Real Video files."

Finally there is an ActiveX dll you can use to create your own applications in Visual Basic that read/write ID3v1.1 and ID3v2.3 tags. Features: full support of ID3v1.1 through ID3v2.3 tags, read/write up to 75 different ID3v2.3 frames, store multiple images in ID3v2.3 tags, store multiple comments in ID3v2.3 tags, works with ASP, extract important information such as Bit Rate, Length, File Size, Hz and other encoding information. Download comes with a sample VB project, ASP project and Access97 database.