ScribeHow - Create step-by-step user guides, with a simple click

Discourse - Discourse is an open source discussion platform built for the next decade of the Internet.

Fluency - Speak your business, Fluently. Automate SOP, internal guides, and compliance documentation. Centralise your processes, and gain valuable insights into the processes that make up your business.

Flarum - Flarum is the next-generation forum software that makes online discussion fun. It's simple, fast, and free.

UserGuiding - Create in-app experiences with the most straightforward product adoption platform — quick implementation, lasting user engagement.

Simple Machines Forum - Simple Machines offers free open source software such as SMF, the powerful and easy to use community forum written in PHP. Start interesting discussions on your website!