Record, edit and mix multi-track audio, produce CDs, and mix video soundtracks.
Audacity records and edits sounds with aplomb, with tons of new features constantly being added.
This alternative to iTunes was recently retired. You may find Audion more to your liking than Apple’s product.
An open source audio player for OS X (10.4 and above) that supports the following formats: Ogg Vorbis, Mp3, Flac, Musepack, Monkeys Audio, Shorten, Wavpack, AAC, and Wave/AIFF.
Quickly cut, trim or split audio files, using MP3 and AAC formats without quality loss. Other features include fade in and out, volume adjustment and ID tags. Can be used to create ringtones for phones (including iPhone) that use MP3 or AAC.
Create high-quality audio files in various formats from compact discs or files. Compressed and uncompressed formats include MP3, Ogg Vorbis, FLAC, AAC, Apple Lossless, Monkey’s Audio, WavPack, Speex, AIFF, and WAVE.
Guitar recording and online collaboration program includes looped recording, automatic track creation, InstantDrummer, effects, song posting, online collaboration, and a tutorial in 14 languages. You can record songs online with friends for free.
Open source system extension captures any sound your Mac makes — from one app (a web browser, for example) to another (say, QuickTime or GarageBand). Works great for podcasts and music. Macworld has a tutorial on how to do all this for free.
Convert audio files to one of 16 formats. If it doesn’t have the codec you want, it will download it on the fly.
Use beatlock engine to stay on beat and work mixes faster. Loop engine and synchronized sampler let you perform remixes on the fly. Video engine lets you mix and scratch music videos or karaoke as easily as audio.
Decode, convert and play lossless audio files. Audio files can be split into tracks with a cue sheet when decoding. Supported formats include: (Ogg) FLAC (.flac/.ogg), Monkey’s Audio (.ape), Wavpack (.wv), TTA (.tta), Apple Lossless (.m4a) [10.4 and later], AIFF, WAV.
Go to the YouTube music video you want and copy the URL. You can then click the paste button in the app and hit the download button. A music MP3 will show up in your Music folder or, if you choose, iTunes. Super simple.