mp3splt-gtk is described as 'Mp3Splt-project is a utility to split mp3 and ogg files selecting a begin and an end time position, without decoding. It's very useful to split large mp3/ogg to make smaller files or to split entire albums to obtain original tracks' and is an app in the Audio & Music category. There are four alternatives to mp3splt-gtk for Windows, Wine and Mac. The best alternative is mp3DirectCut, which is free. Other great apps like mp3splt-gtk are Medieval CUE Splitter (Free), Fission (Paid) and Pazera FLAC to MP3 Converter (Free).
Medieval CUE splitter is an easy-to-use tool for breaking long audio files into smaller, songlike chunks. It has a simple layout and fast results; its only drawback is the rare CUE file format it uses.
Edit audio in minutes, not hours. With Fissions streamlined audio editing, you can quickly copy, paste and trim audio, as well as split files. Fission also works with compressed MP3 and AAC formats to edit without the quality loss caused by other editors.