LSLevelator 2.0 for Mac was available as a free download on our application library. Our antivirus check shows that this Mac download is virus free. The actual developer of this Mac application is Lesound. The software is included in Audio & Video Tools.
From the developer:
LS Levelator is an energy/loudness normalization tool for batch processing of a large amount of files. This tool not only makes use of local energy variation but also takes into account the loudness model to enable a perceptually relevant normalization. The batch process is expected to help localization and broadcast professionals to render dialogue dynamics more efficiently and effectively.
You may want to check out more Mac applications, such as SongScreen Liquid, which might be similar to LSLevelator.