Discourse

Discourse helps you support your organization's people and build a sense of community. It is an open source collaboration, knowledge management and community building tool. It is backed by PostgreSQL, and it can be self-hosted if you wish.

Why We Love Discourse

The list of reasons we love Discourse.

It is an active project, and it is well documented.
It is open source.
It is easily accessible from anywhere in the world.
It offers a professionally hosted solution to help you get started quickly.
It has a vibrant online support community.
It makes the data we need to do our jobs immediately available.
It can be deployed in every corner of the world.
It can be deployed in hybrid cloud scenarios.
It offers a reasonably simple architecture given the nature of its purpose.
It scales massively for small to medium organizations.
It does its job (community building and knowledge management) quite well.
And, most importantly it has great synergy with the rest of the chuck-stack.

Discourse vs mdBook

You use Discourse to actively support your users and discuss/refine your instructions. You use mdBook to publish the current refined version of your operating procedures.