FLAC

FLAC stands for Free Lossless Audio Codec, an audio format similar to MP3, but lossless, meaning that audio is compressed in FLAC without any loss in quality.

Free Open Source Mac OS X Windows Linux Android BSD

LAME

LAME is a high quality MPEG Audio Layer III (MP3) encoder licensed under the LGPL. It is considered the best MP3 encoder at mid-high bitrates and at VBR.

Free Open Source Mac OS X Windows Linux BSD

Vorbis

Ogg Vorbis is a fully open, general-purpose compressed audio format for mid to high quality (8kHz-48.0kHz, 16+ bit, polyphonic) audio and music at fixed and variable bitrates from 16 to 128 kbps/channel.

Free Open Source Mac OS X Windows Linux

Matroska

The Matroska Multimedia Container is an open standard free container format, a file format that can hold an unlimited number of video, audio, picture, or subtitle tracks in one file.

Free Open Source Mac OS X Windows Linux Android

Apple Lossless

Apple Lossless (also known as ALAC) is an audio codec developed by Apple Inc. for lossless data compression of digital music. Apple Lossless data is stored within an MP4 container with the filename extension .

Free Open Source Mac OS X Windows

WavPack

WavPack is a completely open audio compression format providing lossless, high-quality lossy, and a unique hybrid compression mode.

Free Open Source Mac OS X Windows Linux

Nero AAC Codec

Nero AAC reference quality MPEG-4 and 3GPP audio codec - Compression ratios ranging from Ultra High (58 CDs fit on one!) to High-End Audio (2.

Free Personal Windows Linux

FLAC Frontend

[No longer maintained, but downloadable] FLAC Frontend is a Windows GUI (Graphical User Interface) for FLAC. Windows users are used to graphical programs (Rather...

Free Windows

Speex

Speex is a patent-free audio compression format designed for speech and also a free software speech codec that may be used on VoIP applications and podcasts.

Free Open Source Mac OS X Windows Linux

Flac Player

Shamrock Soft developed and published first free Windows Phone player which plays exclusively flac files. Now Flac player is able to download files from Sky Drive...

Free Windows Phone