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

Opus Interactive Audio Codec

Opus is a totally open, royalty-free, highly versatile audio codec. Opus is unmatched for interactive speech and music transmission over the Internet, but also intended for storage and streaming applications.

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

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

TAK

»TAK – [T]om’s lossless [a]udio [k]ompressor / [T]oms verlustfreier [A]udio[k]ompressor – is, as the name already suggests, a lossless audio compressor, similar to...

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