PyCS is a software toolbox to estimate time delays between multiple images of gravitationally lensed quasars, developed within the COSMOGRAIL collaboration. It might be a bit of a mess, but hey, at least it's public.
Proceed to the documentation to get further information. In case of any questions, feel free to open an issue here on GitHub.
If you use this code, please cite the papers indicated in the documentation.
Copyright (©) 2011-2016 EPFL (Ecole Polytechnique Fédérale de Lausanne) Laboratory of Astrophysics (LASTRO)
PyCS is free software ; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation ; either version 3 of the License, or (at your option) any later version.
PyCS is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details (LICENSE.txt).
You should have received a copy of the GNU General Public License along with PyCS ; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.