1)   ID3 renamer 2.14.14
If you need to rename a large number of files in a directory accordingly to their ID3 description and a given "formula" (e.g. (%Track) %Artist - %Title). You can also fill ID3 tag with some smart functions.

 2)   Direct MP3 Splitter Joiner 2.1
Direct MP3 Splitter Joiner is a simple software utility that allows any person with no technical expertise or special training join or split sound files (mp3 or wav) as well as perform basic editing, like trimming files or cutting silence out. The program is perfect for people who record internet radio shows and podcasts. Other categories of people who are likely to enjoy Direct MP3 Splitter Joiner include musicians, podcasters, DJs, radio personnel, journalists, professional speak...

 3)   Ultimate Encoder 2006 5.5.32
Ultimate Encoder 2006 is a high fidelity CDA/MP3/WMA/AVI//WMV Audio/Video encoder and decoder for Windows 2000, XP or higher, with integrated CD-Grabber, supports MP3 from 8Kbps to 320Kbps and WMA9 (Windows Media Audio V9) from 4Kbps to 768Kbps, 100KHz, 24-bit. With a cool user interface. It takes as input Windows PCM .WAV files or CDAudio tracks, and encodes them to MP3 or WMA audio files which can be played with WinAmp or Media Player...