Open Source Social News App – Telescope
Telescope is an open source application for creating social news websites that has a similar functionality with Hacker News, Reddit, etc.
The application is built with Meteor, a real-time JS framework, and it runs on nodejs.
Every data in Telescope is displayed in real-time, it is possible to collect entries under categories and users can discuss on each entry easily.
Two types of authentication exist: e-mail/pass or Twitter and there is support for invite-only sign-up.
Layout provided by the app is responsive, has a very nice look and can be customized as well.