FAAC is an MPEG-4 and MPEG-2 AAC encoder.
Note that the quality of FAAC is not up to par with the currently best AAC encoders available.
Features:
  • Portable
  • Reasonably fast
  • LC, Main, LTP support
  • DRM support through DreaM
Source packages are available in the downloads section. No binary distributions are available here, because they require a patent license. You might find binaries at RareWares.
FAAC is based on the original ISO MPEG reference code. The changes to this code are licensed under the LGPL license. The original license is not compatible with the LGPL, please be aware of this when using FAAC. The original license text can be found in the README file included in the download package.