This is the LSST MAF (Metrics Analysis Framework) package.
To install, please follow these instructions.
If you want to use the git repo version of MAF together with a standard LSST stack (to get the newest MAF features together with all MAF dependencies), please see the instructions at the bottom of that page in the section "Mixing Installed Stack with Development Repositories".
If you use MAF, please cite Jones et al, 2014.
A full list of LSST references can be found in the lsst-pst/LSSTreferences repo.