1)   Direct WAV MP3 Splitter 2.2.0.0
Direct WAV MP3 Splitter is a fast automatic WAV and MP3 cutter. The program can quickly split or cut large MP3 or WAV files without re-compression. You can also automatically split MP3 or WAV files into equal-sized parts.

 2)   Direct MP3 Splitter and Joiner 2.5
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. MP3 files with variable bitrate are supported.