MPFB is a free and open source human character generator for blender. For a general introduction to what MPFB is, see About MPFB. For more in-depth documentation, such as a getting started guide, see the documentation. For frequently asked questions, see the FAQ. For release notes, see Releases.
If you want to get an impression of the features of MPFB2, see the release notes for 2.0-alpha1.