This tool is an excellent knowledge base. This is the primary use for it that we have, and it does it perfectly.
It is a great great tool for creating documents like PRDs and Information Documents of Projects and then sharing with team members to view and collaborate.
Confluence is reliable and offers a good set of functionalities and features, the capacity to organize and edit documentation online is great.
Sometimes I have difficulties with formatting some of the tables as it is frustrating when it does not follow what you want it to do and it takes a while to correct the mistake.
Searching was severely handicapped, and no linking of documents was really feasible. There was also poor management of permissions.
Performance over the last 6 months has degraded and it's now really slow. The over-arching user management is really confused.