dupeGuru Music Edition is a tool to find duplicate songs in your music collection. It can scan filenames, tags, or contents. dupeGuru ME is efficient. It can find your duplicate files in minutes, thanks to its quick fuzzy-matching algorithm. dupeGuru ME not only finds filenames and tags that are the same, but it also finds similar ones. For example, dupeGuru ME, with the right settings, can determine that "The White Stripes - Seven Nation Army" and "White Stripe - Seven Nation Armies" are duplicates. dupeGuru ME is customizable. You can tweak its matching engine to find exactly the kind of duplicates you want to find. dupeGuru ME is safe. Its engine has been especially designed with safety in mind. Its reference directory system as well as its grouping system prevent you from deleting files you didn't mean to delete. It lets do whatever you want with your duplicates. Not only can you delete duplicates files that dupeGuru ME finds, but you can also move or copy them elsewhere. You can also easily weed the bad duplicates out, thanks to the Power Marker.
Clementine is a modern music player and library organizer. It is inspired by Amarok 1.4, focusing on a fast and easy-to-use interface for searching and playing your music. You can search and play your local music library, and listen to Internet radio from Last.fm, SomaFM, and Magnatune. It has tabbed playlists, the ability to import and export M3U, XSPF, PLS, and ASX, visualizations from projectM, the ability to transcode music into MP3, Ogg Vorbis, Ogg Speex, FLAC, or AAC, the ability to edit tags on MP3 and Ogg files, organize your music, and download missing album cover art from Last.fm. It has native desktop notifications on Linux (libnotify) and Mac OS X (Growl), as well as remote control using a Wii Remote, MPRIS, or the command line. It can copy music to your iPod, iPhone, MTP, or mass-storage USB player. It has a queue manager.