Encoder versions

AAC / HE AAC v1 / HE AAC v2

FhG FDK AAC encoder library 4.0.0
https://www.iis.fraunhofer.de

Apple AAC Encoder

EZ CD Audio Converter can use Apple AAC Encoder if it is installed on the system
Apple AAC Encoder installation instructions

AC-3

FFmpeg 4.1
https://www.ffmpeg.org

Apple Lossless (ALAC)

Apple Lossless (ALAC) encoder (Apple)

FLAC

FLAC 1.3.2   (LibOgg 1.3.3)
https://xiph.org/flac/

MP3

LAME 3.100
http://lame.sourceforge.net

Monkey's Audio (APE)

Monkey's Audio 4.40 SDK
https://www.monkeysaudio.com

Musepack (MPC)

Musepack SV8 libs (r475)
http://www.musepack.net

Vorbis

LibVorbis 1.3.6 & LibOgg 1.3.3
https://xiph.org/vorbis/

Opus

libOpus 1.3.1 & libOpusEnc 0.2.1
https://www.opus-codec.org

TTA (True Audio)

TTA library 2.3
http://tta.tausoft.org/

WavPack

WavPack 5.1.0
http://www.wavpack.com

Windows Media Audio (WMA)

Windows Media Format 11 SDK
https://www.microsoft.com/windowsmedia