vardoc

Knowledge Base System - Ready for Drupal 9 - a wiki system, and a documentation management system designed to host massive amount of content in a structured and easy-to-find format. Vardoc helps you build a connected organization, product, or knowledge area to allow everyone involved to find the answers they seek, and contribute their expertise in the knowledge base. Built Using Varbase. Maintained by Vardot on GitHub, where it has earned 11 stars from the community.

It's actively developed around knowledge, base, documen, and is a solid reference for anyone building with these tools.