VLC media player
VLC is a free and open source cross-platform multimedia player and framework that plays most multimedia files. DVDs, Audio CDs, VCDs, and various streaming protocols.
Media Player Classic Home Cinema
MPC-HC is an extremely light-weight, open source media player for Windows®. Also, it supports all common video and audio file formats available for playback.
Audacity
Audacity is a free, easy-to-use audio editor and recorder for Windows, Mac OS X, GNU/Linux and other operating systems.
Studio One 3 Prime
Studio One Prime offers the same intuitive drag-and drop workflow of its bigger brothers, along with providing unlimited tracks, 9 Audio Native Effects, Presence XT sampler, and advanced multi-track editing and comping.
Winamp
Winamp supports a wide variety of contemporary and specialized music file formats, including MIDI, MOD, MPEG-1 audio layers 1 and 2, AAC, M4A, FLAC, WAV, OGG Vorbis, and Windows Media Audio.
Ashampoo Burning Studio
The Ashampoo Burning Studio FREE keeps all the advantages of its predecessor and adds multi-disc file backup. Furthermore, it comes with an integrated audio CD ripper and support for the exciting new Blu-ray format.
CDBurnerXP
CDBurnerXP is a free application to burn CDs and DVDs, including Blu-Ray and HD-DVDs. In addition, it includes the feature to burn and create ISOs, as well as a multilanguage interface.