Discourse (software)

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Discourse
Developer(s)	Civilized Discourse Construction Kit, Inc.
Initial release	August 26, 2014 (10 years ago) (2014-08-26)[1]
Stable release	3.4.5[2]  / 9 June 2025
Repository	github.com/discourse/discourse
Written in	Ruby, JavaScript
Operating system	Linux
Available in	Albanian, Arabic, Bosnian, Chinese, Czech, Danish, Dutch, English, Estonian, Finnish, French, Galician, German, Greek, Hebrew, Indonesian, Italian, Japanese, Korean, Norwegian, Persian, Polish, Portuguese, Romanian, Russian, Slovak, Spanish, Swedish, Telugu, Turkish, Ukrainian, Urdu, Vietnamese
Type	Forum software
License	GNU GPL version 2 (or later)
Website	www.discourse.org

Discourse is an open source Internet forum system released on August 26, 2014. It was founded by Jeff Atwood, Robin Ward, and Sam Saffron.

The client side application is written in EmberJS. The server side is written in Ruby on Rails and backed by a PostgreSQL database and Redis cache. The source code is distributed under the GNU General Public License version 2.