Shazam
- Identifies the information of any song you're playing on your Mac.
calibre
- Read, edit, and convert your e-books directly from your Mac.
PDFelement
- Wondershare PDFelement can help you convert any PDF (even one created from a scan) to any format, as well as allow you to edit, annotate, or sign it.
MP3Gain Express
- It helps you analyze, increase or reduce the volume of MP3 files.
VLC media player
- Watch your favorite movies and listen to your music from one app.