Open source version of RealProducer with free HE AAC encoder SDK from Coding Technologies.

CD ripper and encoder for Linux that works with FAAC for AAC/MP4 output files.

Linux music file manager similar to iTunes with tag editor, media library, dynamic playlists and a CD burning frontend, extensible through plugin scripts.

Real-time graphical programming environment for core opcodes and extended objects based on the Structured Audio Orchestra Language (SAOL) with a manual.

Software for MP4/3GP file conversion of portable video device such as iPod/PSP/Mobile Devices.

Linux player with foobar2000 GUI and AAC/MP4 support through FAAD2 from the developer of the XMMS MP4 plugin.

Integrated development system to generate real-time audio effects and synthesizer instruments using SAOL with SoundFont 2 for Structured Audio Score Language (SASL) and MIDI compositions.

Relies on the external Winamp input plugin based on FAAD2 for AAC/MP4 support.

The multimedia player of the Gstreamer project that offers many formats through plugins, also FAAC for encoding and FAAD2 for decoding.

Mac OS X binary of the AAC/MP4 decoder FAAD2 from the Fink project.