While Wikipedia is the broadest unified body of knowledge, WikiSuite is the broadest integrated Open Source enterprise software suite.
WikiSuite is especially suited to knowledge-centric organizations and offers most (80%+) of the data and information management features all organizations need.
Extensive web admin panelsPower Users can configure the tools without the need for software developers or to edit configuration files.
Paid support is availableThis is optional of course! The architects of the solution are available for consulting (Support, sponsored development, training, configuration and customization, business consulting, etc.)
No vendor lock-inYou can hire anyone you want to provide you support. The best is to develop expertise in your organization, and hire external help for specialized or punctual needs.