Medieval CUE Splitter is not available for Mac but there are a few alternatives that runs on macOS with similar functionality. The best Mac alternative is Flacon, which is both free and Open Source. If that doesn't suit you, our users have ranked six alternatives to Medieval CUE Splitter and four of them are available for Mac so hopefully you can find a suitable replacement. Other interesting Mac alternatives to Medieval CUE Splitter are X Lossless Decoder (Free, Open Source), Elegant Converter (Freemium) and mp3splt-gtk (Free, Open Source).
X Lossless Decoder (XLD) is a tool for Mac OS X that is able to decode/convert/play various 'lossless' audio files. The supported audio files can be split into some tracks with cue sheet when decoding. It works on Mac OS X 10.3 and later. Supports: (Ogg) FLAC (.flac/.
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.