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Mp3tag - Mp3tag is a powerful and easy-to-use tool to edit metadata of audio files. DownloadDownload Mp3tag, a powerful and easy-to-use tool to edit .

NumWorks - The graphing calculator that makes learning math easier.

Tune Sweeper - Show duplicates in your Music library. Automatically select which duplicates to keep and delete based on your preferences. Remove duplicates with one-click from your iTunes or Music app library.

SpeQ Mathematics - SpeQ is a small, extensive mathematics program with a simple, intuitive interface.