http://jlabusch.github.io/oauth2-server/
This project is not actively maintained, and there's at least one vulnerability present due to outdated dependencies. If you ever want to use this, use a recent version of Node and update all of the dependencies listed in package.json.
Copyright (C) 2014 Jacques Labuschagne
This program 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.
This program 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.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.