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Discourse is the 100% open source discussion platform built for the next decade of the Internet. It works as:

• a mailing list
• a discussion forum
• a long-form chat room

To learn more about the philosophy and goals of the project,visitdiscourse.org.

1. If you'rebrand new to Ruby and Rails, please seeDiscourse as Your First Rails App or ourDiscourse Vagrant Developer Guide, which includes a development environment in a virtual machine.

2. If you're familiar with how Rails works and are comfortable setting up your own environment, use ourDiscourse Advanced Developer Guide.

Before you get started, ensure you have the following minimum versions:Ruby 2.0.0+,PostgreSQL 9.1+,Redis 2.6+. If you're having trouble, please see ourTROUBLESHOOTING GUIDE first!

If you want to set up a Discourse forum for production use, see ourDiscourse Install Guide.

If you're looking for business class hosting, seediscourse.org/buy.

Discourse is built for thenext 10 years of the Internet, so our requirements are high:

Internet Explorer 9.0 is technically supported, but it is our absolute minimum spec browser and may not be fully functional.

• Ruby on Rails — Our back end API is a Rails app. It responds to requests RESTfully in JSON.
• Ember.js — Our front end is an Ember.js app that communicates with the Rails API.
• PostgreSQL — Our main data store is in Postgres.
• Redis — We use Redis as a cache and for transient data.

Pluslots of Ruby Gems, a complete list of which is at/master/Gemfile.

Discourse is100% free andopen-source. We encourage and support an active, healthy community thataccepts contributions from the public – including you!

Before contributing to Discourse:

1. Please read the complete mission statements ondiscourse.org. Yes we actually believe this stuff; you should too.
2. Read and sign theElectronic Discourse Forums Contribution License Agreement.
3. Dig intoCONTRIBUTING.MD, which covers submitting bugs, requesting new features, preparing your code for a pull request, etc.
4. Not sure what to work on?We've got some ideas.

We look forward to seeing your pull requests!

We take security very seriously at Discourse; all our code is 100% open source and peer reviewed. Please readour security guide for an overview of security measures in Discourse.

The original Discourse code contributors can be found inAUTHORS.MD. For a complete list of the many individuals that contributed to the design and implementation of Discourse, please refer tothe official Discourse blog andGitHub's list of contributors.

Copyright 2014 Civilized Discourse Construction Kit, Inc.

Licensed under the GNU General Public License Version 2.0 (or later);you may not use this work except in compliance with the License.You may obtain a copy of the License in the LICENSE file, or at:

http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt

Unless required by applicable law or agreed to in writing, softwaredistributed under the License is distributed on an "AS IS" BASIS,WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.See the License for the specific language governing permissions andlimitations under the License.

Discourse logo and “Discourse Forum” ®, Civilized Discourse Construction Kit, Inc.

Discourse is built withlove, Internet style.