Unpkg does not touch you system at all except for the folder where the unpacking takes places. Because it does not move files around in your system (on purpose), you should not use unpkg to install, say, incremental OS X updates. But if you just need to get a kext from that package, for example, then unpkg is exactly what you need.
Edits audio files with the option for CD mastering.
CoverScout fills the gray gaps that iTunes leaves behind!
This program enables you to convert video files to various output profiles.
This program lets you convert videos to various media formats.
Rip DVD discs to the desired file format.
Rips media from DVD and creates disk copies.
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